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OWC 16GB DDR4 RAM Compatible with Synology DiskStation DS1621+ and DS1621xs+ NAS System 2666MHz PC4-21300 CL19 ECC Unbuffered SODIMM 2Rx8 1.2V Memory Upgrade
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OWC 16GB DDR4 RAM Compatible with Synology DiskStation DS1621+ and DS1621xs+ NAS System 2666MHz PC4-21300 CL19 ECC Unbuffered SODIMM 2Rx8 1.2V Memory Upgrade
  • Voltage: 1.2V
  • Compatible System: Synology DiskStationDS1621+ Synology DiskStationDS1621xs+
  • CAS Latency: CL19
  • Part Number: 2C6D42R816GB
  • Model #: OWC2C6D42R816GB-ZAF-SF
  •  
  • $149.99 
Direct from OWC Direct from OWC
OWC 16GB DDR4 RAM Compatible with Synology NAS Rackstation RS822+ and RS822RP+ 2666MHz PC4-21300 CL19 ECC Unbuffered SODIMM 2Rx8 1.2V Memory Upgrade
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OWC 16GB DDR4 RAM Compatible with Synology NAS Rackstation RS822+ and RS822RP+ 2666MHz PC4-21300 CL19 ECC Unbuffered SODIMM 2Rx8 1.2V Memory Upgrade
  • Voltage: 1.2V
  • Compatible System: Synology RackstationRS822+ Synology RackstationRS822RP+
  • CAS Latency: CL19
  • Part Number: 2C6D42R816GB
  • Model #: OWC2C6D42R816GB-ZAQ-SF
  •  
  • $149.99 
Direct from OWC Direct from OWC
OWC 64GB (2x32GB) DDR4 2666 PC4-21300 CL19 2Rx8 260-pin 1.2V ECC Unbuffered SODIMM Memory RAM Module Upgrade Kit Compatible with Synology DiskStation DS1821+ DS2422+ DS3622xs+
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OWC 64GB (2x32GB) DDR4 2666 PC4-21300 CL19 2Rx8 260-pin 1.2V ECC Unbuffered SODIMM Memory RAM Module Upgrade Kit Compatible with Synology DiskStation DS1821+ DS2422+ DS3622xs+
  • Voltage: 1.2V
  • Compatible System: Synology DiskStation DS1821+ Synology DiskStation DS2422+ Synology DiskStation DS3622xs+
  • CAS Latency: CL19
  • Part Number: 2C6D42R8064P
  • Model #: OWC2C6D42R8064P-B765-SF
  •  
  • $616.88 
Direct from OWC Direct from OWC
OWC 16GB Replacement for Synology D4ES03-16G - DDR4 2666 PC4-21300 CL19 2Rx8 260-pin 1.2V ECC Unbuffered SODIMM Memory RAM Module Upgrade
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OWC 16GB Replacement for Synology D4ES03-16G - DDR4 2666 PC4-21300 CL19 2Rx8 260-pin 1.2V ECC Unbuffered SODIMM Memory RAM Module Upgrade
  • Brand: OWC
  • Capacity: 16GB
  • Type: 260-Pin DDR4 SO-DIMM
  • Speed: DDR4 2666 (PC4 21300)
  • Model #: OWC2C6D42R816GB-C334-SF
  •  
  • $149.99 
Direct from OWC Direct from OWC
OWC 32GB (2X16GB) DDR4 RAM Compatible with Synology DiskStation DS1522+ 2666MHz PC4-21300 CL19 ECC Unbuffered SODIMM 2Rx8 1.2V Memory Upgrade
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OWC 32GB (2X16GB) DDR4 RAM Compatible with Synology DiskStation DS1522+ 2666MHz PC4-21300 CL19 ECC Unbuffered SODIMM 2Rx8 1.2V Memory Upgrade
  • Voltage: 1.2V
  • Compatible System: Synology DiskStationDS1522+
  • CAS Latency: CL19
  • Part Number: 2C6D42R8032P
  • Model #: OWC2C6D42R8032P-ZAB-SF
  •  
  • $298.48 
Available Direct from OWC Available Direct from OWC
OWC 8GB DDR4 2666 PC4-21300 CL19 2Rx8 260-pin 1.2V Non-ECC SODIMM Memory RAM Module Upgrade Compatible with Synology DiskStation DS220+ DS420+ DS423+ DS720+ DS920+
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OWC 8GB DDR4 2666 PC4-21300 CL19 2Rx8 260-pin 1.2V Non-ECC SODIMM Memory RAM Module Upgrade Compatible with Synology DiskStation DS220+ DS420+ DS423+ DS720+ DS920+
  • Voltage: 1.2V
  • Compatible System: Synology DiskStation DS220+ Synology DiskStation DS420+ Synology DiskStation DS423+ Synology DiskStation DS720+ Synology DiskStation DS920+
  • CAS Latency: CL19
  • Part Number: 2S6D42R808GB
  • Model #: OWC2S6D42R808GB-B767-SF
  •  
  • $65.99 
Available Direct from OWC Available Direct from OWC
OWC 32GB (2x16GB) Compatible with Synology D4ECSO-2666-16G, D4ES01-16G | DDR4 2666MHz PC4-21300 ECC Unbuffered SODIMM 2Rx8 1.2V Memory Upgrade for NAS DiskStation, RackStation, FlashStation, & NVR DVA
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  •  
  • $298.48 
Available Direct from OWC Available Direct from OWC
OWC 8GB Replacement for Synology D4ES03-8G - DDR4 2666 PC4-21300 CL19 1Rx8 260-pin 1.2V ECC Unbuffered SODIMM Memory RAM Module Upgrade
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OWC 8GB Replacement for Synology D4ES03-8G - DDR4 2666 PC4-21300 CL19 1Rx8 260-pin 1.2V ECC Unbuffered SODIMM Memory RAM Module Upgrade
  • Brand: OWC
  • Capacity: 8GB
  • Type: 260-Pin DDR4 SO-DIMM
  • Speed: DDR4 2666 (PC4 21300)
  • Model #: OWC2C6D41R808GB-C333-SF
  •  
  • $85.99 
Direct from OWC Direct from OWC
Timetec 4GB DDR4 2666MHz Non-ECC Unbuffered SODIMM Replacement for Synology D4NESO-2666-4G (Compatible for RS820RP+, RS820+, DS920+, DS720+, DS420+, DS220+, DS2419+, DS2419+II, DS1819+, DVA3219, DS161
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  •  
  • $32.99 
  • Free Shipping
Direct from Timetec Direct from Timetec
OWC 4GB Replacement for Synology D4NS01-4G - DDR4 2666 PC4-21300 CL19 1Rx8 260-pin 1.2V SODIMM Memory RAM Module Upgrade
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OWC 4GB Replacement for Synology D4NS01-4G - DDR4 2666 PC4-21300 CL19 1Rx8 260-pin 1.2V SODIMM Memory RAM Module Upgrade
  • CAS Latency: CL19
  • Voltage: 1.2V
  • Buffered/Registered: Unbuffered
  • Part Number: 2S6D41R804GB
  • Model #: OWC2S6D41R804GB-C337-SF
  •  
  • $35.99 
Direct from OWC Direct from OWC
OWC 32GB (2X16GB) DDR4 RAM Compatible with Synology and QNAP NAS Systems 2666MHz PC4-21300 CL19 ECC Unbuffered SODIMM 2Rx8 1.2V Memory Upgrade
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OWC 32GB (2X16GB) DDR4 RAM Compatible with Synology and QNAP NAS Systems 2666MHz PC4-21300 CL19 ECC Unbuffered SODIMM 2Rx8 1.2V Memory Upgrade
  • Brand: OWC
  • Capacity: 32GB (2 x 16GB)
  • Speed: DDR4 2666 (PC4 21300)
  • ECC: Yes
  • Model #: OWC2C6D42R8032P-SF
  •  
  • $298.48 
Available Direct from OWC Available Direct from OWC
OWC 4GB DDR4 2666 PC4-21300 CL19 1Rx8 260-pin 1.2V SODIMM Memory RAM Module Upgrade Compatible with Synology DiskStation DS425+
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OWC 4GB DDR4 2666 PC4-21300 CL19 1Rx8 260-pin 1.2V SODIMM Memory RAM Module Upgrade Compatible with Synology DiskStation DS425+
  • Voltage: 1.2V
  • Compatible System: Synology DiskStation DS425+ Synology DiskStation DS1825+ Synology DiskStation DS1825xs+ Synology DiskStation DS725+ Synology DiskStation DS925+
  • CAS Latency: CL19
  • Part Number: 2S6D41R804GB
  • Model #: OWC2S6D41R804GB-C332-SF
  •  
  • $35.99 
Direct from OWC Direct from OWC
OWC 16GB DDR4 2666 PC4-21300 CL19 2Rx8 260-pin 1.2V ECC Unbuffered SODIMM Memory RAM Module Upgrade Compatible with Synology DiskStation DS1525+ DS1825+ DS1825xs+ DS725+ DS925+
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OWC 16GB DDR4 2666 PC4-21300 CL19 2Rx8 260-pin 1.2V ECC Unbuffered SODIMM Memory RAM Module Upgrade Compatible with Synology DiskStation DS1525+ DS1825+ DS1825xs+ DS725+ DS925+
  • Voltage: 1.2V
  • Compatible System: Synology DiskStation DS1525+ Synology DiskStation DS1825+ Synology DiskStation DS1825xs+ Synology DiskStation DS725+ Synology DiskStation DS925+
  • CAS Latency: CL19
  • Part Number: 2C6D42R816GB
  • Model #: OWC2C6D42R816GB-C328-SF
  •  
  • $149.99 
Available Direct from OWC Available Direct from OWC
OWC 32GB (2x16GB) RAM Compatible with Synology D4EC-2666-16G, D4EU01-16G | DDR4 2666MHz PC4-21300 ECC Unbuffered UDIMM 2Rx8 1.2V Memory Upgrade for NAS, RackStation, FlashStation, & NVR DVA
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OWC 32GB (2x16GB) RAM Compatible with Synology D4EC-2666-16G, D4EU01-16G | DDR4 2666MHz PC4-21300 ECC Unbuffered UDIMM 2Rx8 1.2V Memory Upgrade for NAS, RackStation, FlashStation, & NVR DVA
  • CAS Latency: CL19
  • Voltage: 1.2V
  • Multi-channel Kit: Dual Channel Kit
  • Recommend Use: Workstations, Servers, and NAS Systems
  • Model #: OWC2E6D42R8032P-ZAR-SF
  •  
  • $298.48 
Available Direct from OWC Available Direct from OWC
OWC 16GB RAM Replacement for Synology D4EC-2400-16G | DDR4 2400 MHz PC4-19200 ECC Unbuffered UDIMM Memory Compatible with Rackstation RS1619xs+, RS2418+, RS2818RP+, RS3617xs+, RS3617RP
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  •  
  • $149.99 
Direct from OWC Direct from OWC
OWC 32GB (2x16GB) RAM Compatible with Synology RackStation RS2421+ and RS2421RP+ DDR4 2666MHz PC4-21300 ECC Unbuffered UDIMM 2Rx8 1.2V Memory Upgrade for NAS, RackStation, FlashStation, & NVR DVA
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OWC 32GB (2x16GB) RAM Compatible with Synology RackStation RS2421+ and RS2421RP+ DDR4 2666MHz PC4-21300 ECC Unbuffered UDIMM 2Rx8 1.2V Memory Upgrade for NAS, RackStation, FlashStation, & NVR DVA
  • Voltage: 1.2V
  • Compatible System: Synology RackstationRS2421+ Synology RackstationRS2421RP+
  • CAS Latency: CL19
  • Part Number: 2E6D42R8032P
  • Model #: OWC2E6D42R8032P-ZAV-SF
  •  
  • $298.48 
Available Direct from OWC Available Direct from OWC
OWC 64GB (4x16GB) RAM Compatible with Synology RackStation RS3621RPxs and RS3621xs+ DDR4 2666MHz PC4-21300 ECC Unbuffered UDIMM 2Rx8 1.2V Memory Upgrade for NAS, RackStation, FlashStation, & NVR DVA
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OWC 64GB (4x16GB) RAM Compatible with Synology RackStation RS3621RPxs and RS3621xs+ DDR4 2666MHz PC4-21300 ECC Unbuffered UDIMM 2Rx8 1.2V Memory Upgrade for NAS, RackStation, FlashStation, & NVR DVA
  • Voltage: 1.2V
  • Compatible System: Synology RackstationRS3621RPxs Synology RackstationRS3621xs+
  • CAS Latency: CL19
  • Part Number: 2E6D42R8064S
  • Model #: OWC2E6D42R8064S-ZBB-SF
  •  
  • $596.36 
Available Direct from OWC Available Direct from OWC
OWC 32GB (2X16GB) DDR4 RAM Compatible with Synology DiskStation DS923+ 2666MHz PC4-21300 CL19 ECC Unbuffered SODIMM 2Rx8 1.2V Memory Upgrade
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OWC 32GB (2X16GB) DDR4 RAM Compatible with Synology DiskStation DS923+ 2666MHz PC4-21300 CL19 ECC Unbuffered SODIMM 2Rx8 1.2V Memory Upgrade
  • Voltage: 1.2V
  • Compatible System: Synology DiskStationDS923+
  • CAS Latency: CL19
  • Part Number: 2C6D42R8032P
  • Model #: OWC2C6D42R8032P-ZAD-SF
  •  
  • $298.48 
Available Direct from OWC Available Direct from OWC
OWC 8GB DDR4 RAM Compatible with Synology NAS Rackstation RS820+ and RS820RP+ 2666MHz PC4-21300 CL19 ECC Unbuffered SODIMM 2Rx8 1.2V Memory Upgrade
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OWC 8GB DDR4 RAM Compatible with Synology NAS Rackstation RS820+ and RS820RP+ 2666MHz PC4-21300 CL19 ECC Unbuffered SODIMM 2Rx8 1.2V Memory Upgrade
  • Voltage: 1.2V
  • Compatible System: Synology RackstationRS820+ Synology RackstationRS820RP+
  • CAS Latency: CL19
  • Part Number: 2C6D41R808GB
  • Model #: OWC2C6D41R808GB-ZAP-SF
  •  
  • $85.99 
Available Direct from OWC Available Direct from OWC
OWC 32GB (2X16GB) DDR4 RAM Compatible with Synology DiskStation DS723+ and DS923+ NAS System 2666MHz PC4-21300 CL19 ECC Unbuffered SODIMM 2Rx8 1.2V Memory Upgrade
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OWC 32GB (2X16GB) DDR4 RAM Compatible with Synology DiskStation DS723+ and DS923+ NAS System 2666MHz PC4-21300 CL19 ECC Unbuffered SODIMM 2Rx8 1.2V Memory Upgrade
  • Brand: Yes
  • Capacity: 32GB (2 x 16GB)
  • Type: 260-Pin DDR4 SO-DIMM
  • CAS Latency: CL19
  • Model #: OWC2C6D42R8032P-ZAL-SF
  •  
  • $298.48 
Available Direct from OWC Available Direct from OWC
OWC 32GB (2X16GB) DDR4 RAM Compatible with Synology NAS Rackstation RS1221+ and RS1221RP+ 2666MHz PC4-21300 CL19 ECC Unbuffered SODIMM 2Rx8 1.2V Memory Upgrade
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OWC 32GB (2X16GB) DDR4 RAM Compatible with Synology NAS Rackstation RS1221+ and RS1221RP+ 2666MHz PC4-21300 CL19 ECC Unbuffered SODIMM 2Rx8 1.2V Memory Upgrade
  • Voltage: 1.2V
  • Compatible System: Synology RackstationRS1221+ Synology RackstationRS1221RP+
  • CAS Latency: CL19
  • Part Number: 2C6D42R8032P
  • Model #: OWC2C6D42R8032P-ZAO-SF
  •  
  • $298.48 
Available Direct from OWC Available Direct from OWC
OWC 32GB (2x16GB) DDR4 2666 PC4-21300 CL19 2Rx8 260-pin 1.2V ECC Unbuffered SODIMM Memory RAM Module Upgrade Kit Compatible with Synology DiskStation RS1522+
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OWC 32GB (2x16GB) DDR4 2666 PC4-21300 CL19 2Rx8 260-pin 1.2V ECC Unbuffered SODIMM Memory RAM Module Upgrade Kit Compatible with Synology DiskStation RS1522+
  • Voltage: 1.2V
  • Compatible System: Synology DiskStation RS1522+
  • CAS Latency: CL19
  • Part Number: 2C6D42R8032P
  • Model #: OWC2C6D42R8032P-B766-SF
  •  
  • $298.48 
Available Direct from OWC Available Direct from OWC
8GB RAM Replacement for Synology RAMEC1600DDR3-8GBX2 | DDR3 1600MHz PC3-12800 ECC UDIMM 2Rx8 Server Memory
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8GB RAM Replacement for Synology RAMEC1600DDR3-8GBX2 | DDR3 1600MHz PC3-12800 ECC UDIMM 2Rx8 Server Memory
  • Chipset: Major Brand Chipset
  • CAS Latency: CL11
  • Voltage: 1.50V
  • Rank: 2Rx8
  • Model #: 5053772488915
  •  
  • $66.55 
Direct from A-Tech Direct from A-Tech
Axiom D4EC-2400-16G-AX 16 GB DDR4-2400 UDIMM Memory Module for Synology
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Axiom D4EC-2400-16G-AX 16 GB DDR4-2400 UDIMM Memory Module for Synology
  • BIOS/Performance Profile: Intel XMP 2.0
  • Model #: D4EC-2400-16G-AX
OWC 16GB DDR4 RAM Compatible with Synology DiskStation DS923+ 2666MHz PC4-21300 CL19 ECC Unbuffered SODIMM 2Rx8 1.2V Memory Upgrade
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OWC 16GB DDR4 RAM Compatible with Synology DiskStation DS923+ 2666MHz PC4-21300 CL19 ECC Unbuffered SODIMM 2Rx8 1.2V Memory Upgrade
  • Voltage: 1.2V
  • Compatible System: Synology DiskStationDS923+
  • CAS Latency: CL19
  • Part Number: 2C6D42R816GB
  • Model #: OWC2C6D42R816GB-ZAD-SF
  •  
  • $149.99 
Direct from OWC Direct from OWC
OWC 16GB (2x8GB) DDR3L 1600 PC3L-12800 CL11 2Rx8 204-pin 1.35V Non-ECC SODIMM Memory RAM Module Kit Compatible with Synology NAS DS1817+ RS818+ RS818RP+ RS1219+
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OWC 16GB (2x8GB) DDR3L 1600 PC3L-12800 CL11 2Rx8 204-pin 1.35V Non-ECC SODIMM Memory RAM Module Kit Compatible with Synology NAS DS1817+ RS818+ RS818RP+ RS1219+
  • Voltage: 1.35V
  • Compatible System: Synology NAS DS1817+ Synology NAS RS818+ Synology NAS RS818RP+ Synology NAS RS1219+
  • CAS Latency: CL11
  • Part Number: 1S6T32R8016P
  • Model #: OWC1S6T32R8016P-B241-SF
  •  
  • $64.58 
Available Direct from OWC Available Direct from OWC
4GB RAM Replacement for Synology RAM1600DDR3-4G, RAM1600DDR3L-4GBX2 | DDR3 1600MHz PC3L-12800 SODIMM 1Rx8 Laptop Memory
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4GB RAM Replacement for Synology RAM1600DDR3-4G, RAM1600DDR3L-4GBX2 | DDR3 1600MHz PC3L-12800 SODIMM 1Rx8 Laptop Memory
  • CAS Latency: CL11
  • Voltage: 1.35V
  • Buffered/Registered: Unbuffered
  • Features: Major Brand Chips
  • Model #: 5053772488892
  •  
  • $24.19 
Direct from A-Tech Direct from A-Tech
Synology Certificated SK Hynix 16GB DDR4 2666Mhz ECC SODIMM Server Memory Ram For Synology DS1621+
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  •  
  • $159.99 
32GB RAM Replacement for Synology RAMRG2133DDR4-32G | DDR4 2133MHz PC4-17000 ECC RDIMM 2Rx4 Server Memory
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32GB RAM Replacement for Synology RAMRG2133DDR4-32G | DDR4 2133MHz PC4-17000 ECC RDIMM 2Rx4 Server Memory
  • Chipset: Major Brand Chipset
  • CAS Latency: CL15
  • Voltage: 1.20V
  • Rank: 2Rx4
  • Model #: 5053772489011
  •  
  • $270.41 
Direct from A-Tech Direct from A-Tech
OWC 16GB RAM Compatible with Synology RackStation RS3618xs DDR4 2666MHz PC4-21300 ECC Unbuffered UDIMM 2Rx8 1.2V Memory Upgrade for NAS, RackStation, FlashStation, & NVR DVA
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OWC 16GB RAM Compatible with Synology RackStation RS3618xs DDR4 2666MHz PC4-21300 ECC Unbuffered UDIMM 2Rx8 1.2V Memory Upgrade for NAS, RackStation, FlashStation, & NVR DVA
  • Voltage: 1.2V
  • Compatible System: Synology RackstationRS3618xs
  • CAS Latency: CL19
  • Part Number: 2E6D42R816GB
  • Model #: OWC2E6D42R816GB-ZBA-SF
  •  
  • $149.99 
Direct from OWC Direct from OWC
OWC 128GB (4x32GB) Replacement for Synology D4RD-2666-32G, D4ER01-32G, DDR4 2666 MHz PC4-21300 ECC Registered RDIMM RAM Memory Compatible with Synology Flashstation FS3400, FS3410, FS3600
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  •  
  • $1,314.68 
Available Direct from OWC Available Direct from OWC
OWC 8GB DDR3L 1866 PC3L-14900 CL13 2Rx8 204-pin 1.35V SODIMM Memory RAM Module Upgrade Compatible with Synology DiskStation DS625slim
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OWC 8GB DDR3L 1866 PC3L-14900 CL13 2Rx8 204-pin 1.35V SODIMM Memory RAM Module Upgrade Compatible with Synology DiskStation DS625slim
  • Voltage: 1.35V
  • Compatible System: Synology DiskStation DS625slim
  • CAS Latency: CL13
  • Part Number: 1S8T32R808GB
  • Model #: OWC1S8T32R808GB-C327-SF
  •  
  • $33.99 
Available Direct from OWC Available Direct from OWC
16GB RAM Replacement for Synology D4RD-2666-16G | DDR4 2666MHz PC4-21300 ECC RDIMM 2Rx8 Server Memory
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16GB RAM Replacement for Synology D4RD-2666-16G | DDR4 2666MHz PC4-21300 ECC RDIMM 2Rx8 Server Memory
  • Chipset: Major Brand Chipset
  • CAS Latency: CL19
  • Voltage: 1.20V
  • Rank: 2Rx8
  • Model #: 5053772488946
  •  
  • $176.23 
Direct from A-Tech Direct from A-Tech
8GB RAM Replacement for Synology RAM1600DDR3L-8GBX2 | DDR3 1600MHz PC3L-12800 SODIMM 2Rx8 Laptop Memory
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8GB RAM Replacement for Synology RAM1600DDR3L-8GBX2 | DDR3 1600MHz PC3L-12800 SODIMM 2Rx8 Laptop Memory
  • CAS Latency: CL11
  • Voltage: 1.35V
  • Buffered/Registered: Unbuffered
  • Features: Major Brand Chips
  • Model #: 5053772488922
  •  
  • $35.50 
Direct from A-Tech Direct from A-Tech
16GB RAM Replacement for Synology RAMRG2133DDR4-16G | DDR4 2133MHz PC4-17000 ECC RDIMM 2Rx4 Server Memory
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16GB RAM Replacement for Synology RAMRG2133DDR4-16G | DDR4 2133MHz PC4-17000 ECC RDIMM 2Rx4 Server Memory
  • Chipset: Major Brand Chipset
  • CAS Latency: CL15
  • Voltage: 1.20V
  • Rank: 2Rx4
  • Model #: 5053772488939
  •  
  • $96.09 
Direct from A-Tech Direct from A-Tech