Your Browsing History
- In Stock
- Sold by Newegg
- AI Ready
- Make an Offer
- New

DDR4 Desktop RAM Memory Upgrades
Shop A-Tech

Quick View
SK hynix 32GB PC4-2666V-R DDR4 Registered ECC 2RX4 Memory RDIMM HMA84GR7CJR4N-VK
- CAS Latency: CL19
- Voltage: 1.20V
- Type: 288-Pin DDR4 SDRAM
- Rank: 2Rx4
- Model #: HMA84GR7CJR4N-VK
- $214.13 –
- More options from $214.13 - $252.95

Quick View
ASUS WS-C246M-PRO-SE LGA 1151 Intel C246 Micro ATX Intel Motherboard
- Memory Standard: DDR4 2666
- Number of Memory Slots: 4x288pin (DDR4)
- Brand: ASUS
- CPU Socket Type: LGA 1151
- Model #: WS-C246M-PRO-SE
- $297.52 –
- More options from $279.44 - $439.00
- Free Shipping

Quick View
Supermicro Certified MEM-DR480L-CL02-UN26 | Micron MTA8ATF1G64AZ-2G6E1 | 8GB PC4-21300 DDR4 2666MHz 1Rx8 Non-ECC DIMM 288-Pin Desktop Memory RAM
- CAS Latency: CL19
- Voltage: 1.20V
- Chipset: Micron Chipset
- Recommend Use: Compatible Supermicro Systems
- Model #: MEM-DR480L-CL02-UN26
- $58.69 –

Quick View
Kingston Technology Corp. KVR26S19D8/16 Kingston ValueRAM KVR26S19D8/16 DDR4-2666 SODIMM 16GB/2Gx64 REG CL19 Notebook Memory
- Model #: KI#KVR26S19D816
- $126.99 –
- Free Shipping

Quick View
NEMIX RAM 16GB (1X16GB) DDR4 2666MHZ PC4-21300 2Rx8 1.2V 260-PIN Non-ECC SODIMM Compatible with Hynix HMA82GS6CJR8N-VK Laptop PC Memory
- Brand: NEMIX RAM
- Series: NEMIX RAM DDR4 Orignial Series 260-Pin NON-ECC Unbuffered SODIMM Memory
- Capacity: 16GB
- Type: 260-Pin DDR4 SO-DIMM
- Model #: MS21300-628K01-2477
- $92.99 –
- Free Shipping

Quick View
SK Hynix 64GB( 2 x 32GB) DDR4 2666MHz PC4-21300 Laptop RAM PC4-SO-DIMM HMAA4GS6MJR8N-VK
- Brand: SK hynix
- Capacity: 32GB
- Type: 260-Pin DDR4 SO-DIMM
- Speed: DDR4 2666 (PC4 21300)
- Model #: HMAA4GS6MJR8N
- $399.00 –

Quick View
Samsung 16GB DDR4 2666MHz PC4-21300 1.2V 2Rx8 260-Pin SODIMM Laptop RAM Memory Module M471A2K43DB1-CTD
- CAS Latency: CL19
- Voltage: 1.20V
- Buffered/Registered: Unbuffered / Unregistered
- Parts: Limited Lifetime
- Model #: M471A2K43DB1-CTD-SM
- $120.63 –
- More options from $118.37 - $120.63

Quick View
Intel Intel Core i9-9820X 10-Core 3.3 GHz LGA 2066 165W CD8067304126901 Desktop Processor
- L3 Cache: 17MB
- Processors Type: Desktop
- # of Threads: 20-Threads
- Max Turbo Frequency: 4.1 GHz
- Model #: CD8067304126901
- $139.00 –
- Free Shipping

Quick View
879507-B21 - HP Compatible 16GB PC4-21300 DDR4-2666MHz 2Rx8 1.2V ECC UDIMM
- CAS Latency: CL15
- Voltage: 1.20V
- Chipset: Major Brand Chipset
- ECC: Yes
- Model #: 879507-B21
- $299.45
- $284.45 –
- Save: $15.00 (5%)

Quick View
NEMIX RAM 64GB (1X64GB) DDR4 2666MHZ PC4-21300 4Rx4 1.2V 288-PIN ECC LRDIMM Compatible with Cisco UCS B-Series M5 UCS-ML-X64G4RS-H Load Reduced Server Memory
- Chipset: Major OEM Samsung, Micron, Hynix
- CAS Latency: CL19
- Voltage: 1.20V
- Part Number: ML21300-944K1
- Model #: 103-454-194
- $298.88 –
- Free Shipping

Quick View
A-Tech 16GB RAM Replacement for Synology D4ECSO-2666-16G, D4ES01-16G | DDR4 2666MHz PC4-21300 ECC SODIMM 2Rx8 Memory Upgrade for NAS DiskStation, RackStation, FlashStation, & NVR DVA
- CAS Latency: CL19
- Voltage: 1.20V
- ECC: Yes
- Buffered/Registered: Unbuffered
- Model #: 5053772489004
- $191.99 –
- Free Shipping

Quick View
NEMIX RAM 32GB (4X8GB) DDR4 2666MHZ PC4-21300 1Rx8 1.2V 288-PIN ECC Unbuffered UDIMM Memory KIT
- Chipset: Major OEM Samsung, Micron, Hynix
- CAS Latency: CL19
- Voltage: 1.20V
- Part Number: ME21300-828K4
- Model #: ME21300-828K04-395
- $279.49 –
- Free Shipping

Quick View
Crucial 8GB DDR4 2666 MHz PC4-21300 SODIMM 260-Pin Laptop Memory CT8G4SFS8266 - OEM
- Model #: CT8G4SFS8266AT5
- $58.69 –

Quick View
ASUS PRIME H410M-K LGA 1200 Intel H410 SATA 6Gb/s Micro ATX Intel Motherboard
- Memory Standard: DDR4 2933 / 2800 / 2666 / 2400 / 2133* * 10th Gen Intel Core i9 / i7 CPUs support 2933 / 2800 / 2666 / 2400 / 2133 natively, Refer to www.asus.com for the Memory QVL (Qualified Vendors Lists).
- Number of Memory Slots: 2x288pin (DDR4)
- Audio Chipset: Realtek ALC887/897
- Brand: ASUS
- Model #: PRIME H410M-K
- $127.00 –
- More options from $79.98 - $133.20
- Free Shipping

Quick View
Rimlance 8GB (1X8GB) 1.2V DDR4 2666MHZ PC4-21300 SODIMM 1RX8
- Buffered/Registered: Unbuffered
- Model #: RSO21300S8C8
- $47.99 –
- Free Shipping

Quick View
8GB RAM Replacement for Hynix HMA41GR7BJR8N-VK | DDR4 2666MHz PC4-21300 ECC RDIMM 2Rx8 Server Memory
- Chipset: Major Brand Chipset
- CAS Latency: CL19
- Voltage: 1.20V
- Rank: 2Rx8
- Model #: 5053772480094
- $54.99 –

Quick View
HP ProLiant MicroServer Plus Gen10 for Business, Intel Xeon E-2224 up to 4.6GHz, 16GB RAM, 4TB SATA, RAID
- MAX Processors: 1
- HDD: 4TB
- Model #: 695087199527
- $2,299.00 –
- Free Shipping

Quick View
SAMSUNG M393A4K40BB2-CTD 32gb (1x32gb) 2666mhz Pc4-21300 Cl19 Ecc Registered Dual Rank 1.2v Ddr4 Sdram 288-pin Rdimm Samsung Memory Module For Server Memory
- Type: 288-Pin DDR4 SDRAM
- Model #: M393A4K40BB2-CTD SAMSUNG
- $154.95 –
- Free Shipping

Quick View
Hynix 16GB HMA82GS6DJR8N-VK DDR4-2666MHz RAM is SODIMM PC4-21300 1.2V CL19 2RX8 PIN-260 Notebook/Laptop Memory
- CAS Latency: CL19
- Voltage: 1.20V
- Buffered/Registered: Unbuffered
- Model #: HMA82GS6DJR8N-VK X1
- $114.89 –

Quick View
GIGABYTE Z390 D LGA 1151 (300 Series) Intel Z390 SATA 6Gb/s ATX Intel Motherboard
- Memory Standard: Support for DDR4 4266(O.C.)/ 4133(O.C.)/ 4000(O.C.)/ 3866(O.C.)/ 3800(O.C.)/ 3733(O.C.)/ 3666(O.C.)/ 3600(O.C.)/ 3466(O.C.)/ 3400(O.C.)/ 3333(O.C.)/ 3300(O.C.)/ 3200(O.C.)/ 3000(O.C.)/ 2800(O.C.)/ 2666/ 2400/ 2133 MHz memory modules Support for ECC Un-buffered DIMM 1Rx8/2Rx8 memory modules (operate in non-ECC mode) Support for non-ECC Un-buffered DIMM 1Rx8/2Rx8/1Rx16 memory modules Support for Extreme Memory Profile (XMP) memory modules
- Number of Memory Slots: 4x288pin (DDR4)
- Audio Chipset: Realtek ALC887
- Brand: GIGABYTE
- Model #: Z390 D
- $189.88
- $100.99 –
- Save: $88.89 (46%)
- More options from $78.98 - $120.99
- Free Shipping

Quick View
1VRGY - Dell Compatible 8GB PC4-21300 DDR4-2666MHz 1Rx8 1.2V ECC Registered RDIMM
- Chipset: Major Brand Chipset
- CAS Latency: CL15
- Voltage: 1.20V
- Type: 288-Pin DDR4 SDRAM
- Model #: 1VRGY
- $94.45 –

Quick View
Kingston 16GB DDR4 2666MHz 288pin DIMM ECC Reg Memory Module KSM26ES8/16ME
- CAS Latency: CL19
- Voltage: 1.20V
- ECC: Yes
- Buffered/Registered: Unbuffered
- Model #: KSM26ES816ME
- $189.00 –

Quick View
NEMIX RAM 16GB (2X8GB) DDR4 2666MHZ PC4-21300 1Rx8 1.2V 288-PIN ECC Unbuffered UDIMM Memory KIT Compatible with Dell PowerEdge R250 Rack Server
- Chipset: Major OEM Samsung, Micron, Hynix
- CAS Latency: CL19
- Voltage: 1.35V
- Part Number: ME21300-818K2
- Model #: 759170888252
- $139.89 –

Quick View
NEMIX RAM 64GB (8X8GB) DDR4 2666MHZ PC4-21300 1Rx8 1.2V 288-PIN ECC RDIMM Registered Server Memory KIT Compatible with Dell PowerEdge FC430 Server
- Chipset: Major OEM Samsung, Micron, Hynix
- CAS Latency: CL19
- Voltage: 1.35V
- Part Number: MR21300-818K8
- Model #: MR21300-818K8-DL-FC430
- $555.49 –

Quick View
SAMSUNG 32GB ECC Registered DDR4 2666 (PC4 21300) Server Memory Model M393A4K40BB2-CTD
- CAS Latency: CL17
- Timing: 17-17-17
- Voltage: 1.20V
- Type: 288-Pin DDR4 SDRAM
- Model #: 3SA266619R5-32GPBOP-
- $186.40 –
- More options from $186.40 - $214.13

Quick View
NEMIX RAM 16GB (1X16GB) DDR4 2666MHZ PC4-21300 2Rx8 1.2V CL19 288-PIN ECC Unbuffered UDIMM Memory Compatible with Synology RackStation RS3618xs NAS
- Brand: NEMIX RAM
- Series: Synology Compatible Series NAS Memory
- Capacity: 16GB
- Speed: DDR4 2666 (PC4 21300)
- Model #: ME21300-628K1-SYN-RS3618XS
- $167.88 –

Quick View
ASUS ROG STRIX Z590-F GAMING WIFI (90MB1630-M0EAY0) LGA 1200 Intel Z590 SATA 6Gb/s ATX Intel Motherboard
- Memory Standard: DDR4 5333(OC) / 5133(OC) / 5000(OC) / 4800(OC) / 4700(OC) / 4600(OC) / 4500(OC) / 4400(OC) / 4266(OC) / 4133(OC) / 4000(OC) / 3866(OC) / 3733(OC) / 3600(OC) / 3466(OC) / 3400(OC) / 3333(OC) / 3200 / 3000 / 2933 / 2800 / 2666 / 2400 / 2133* * 11th Gen Intel Core processors support 3200 / 2933 / 2800 / 2666 / 2400 / 2133 natively. * 10th Gen Intel Core i9 / i7 processors support 2933 / 2800 / 2666 / 2400 / 2133 natively, others will run at the maximum transfer rate of DDR4 2666. * Refer to www.asus.com for the Memory QVL (Qualified Vendors Lists).
- Number of Memory Slots: 4x288pin (DDR4)
- Audio Chipset: ROG SupremeFX High Definition Audio CODEC ALC4080
- Brand: ASUS
- Model #: 90MB1630-M0EAY0
- $226.65 –
- More options from $190.00 - $363.70
- Free Shipping

Quick View
370-ADZP - Dell Compatible 16GB PC4-21300 DDR4-2666Mhz 2Rx8 1.2v Non-ECC UDIMM
- Chipset: Major Brand Chipset
- Voltage: 1.20V
- Type: 288-Pin DDR4 SDRAM
- Rank: 2Rx8
- Model #: 370-ADZP
- $159.45 –

Quick View
NEMIX RAM 32GB (1X32GB) DDR4 2666MHZ PC4-21300 2Rx4 1.2V CL19 288-PIN ECC RDIMM Registered Server Memory Compatible with Dell PowerEdge T440 Tower
- Voltage: 1.20V
- Compatible System: Dell
- CAS Latency: CL19
- Part Number: MR21300-324K1
- Model #: MR21300-324K1-DL-PET440
- $249.99 –

Quick View
HMA81GU6JJR8N-VK HYNIX 8GB DDR4 2666 PC4 21300 2Rx8 288-PIN DESKTOP MODULE
- CAS Latency: CL19
- Voltage: 1.20V
- Buffered/Registered: Unbuffered
- Model #: XD-UD-8GB-CP4-2666
- $61.40 –

Quick View
- $203.16 –

Quick View
Hynix 8GB DDR4-2666(PC4-21300) UDIMM CL-17 1.2V Desktop Memory - HMA81GU6CJR8N-VK
- CAS Latency: CL17
- Voltage: 1.20V
- Multi-channel Kit: Dual Channel Kit
- Chipset: Major Brand Chipset
- Model #: HMA81GU6CJR8N-VK/hjLC/AUG31/4
- $61.40 –

Quick View
ASUS RS100-E11-PI235W 1U Rackmount Barebone LGA 1200 Intel C252 DDR4 3200/2933/2666 UDIMM
OUT OF STOCK
- Brand: ASUS
- Form Factor: 1U Rackmount
- CPU Type: Supports Intel Xeon processor E-2300 family Supports Intel Pentium processors
- CPU Socket: LGA 1200
- Model #: RS100-E11-PI235W
- $329.00 –
- More options from $329.00 - $1,024.34
- Free Shipping

Quick View
ASUS PRIME H510M-F Motherboard (mATX,Intel H510,LGA 1200,2 x DDR4,PCIe 4.0/3.0 x16, D-Sub, 4 x USB 3.2 Gen 1 Type-A, SATA 6 Gbps, Realtek,1Gb Ethernet)
- CPU Type: Intel Core 11th Gen (LGA 1200)
- Model #: BEASUS PRIME H510M-F
- $76.63 –
- More options from $75.00 - $120.00
- Free Shipping













