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$25 - $50
$50 - $75
$75 - $100
$100 - $200
$200 - $300

$300 - $400
$400 - $500
$500 - $750
$750 - $1000
$1000 - $1250
$1250 - $1500
$1500 - $2000
$2000 - $2500
$2500 - $3000
$3000 - $3500
$3500 - $4000
$4000 - $4500
$4500 - $5000
$5000 and more

Speed

DDR4
- DDR4 3600 (PC4 28800)
- DDR4 3466 (PC4 27700)
- DDR4 3200 (PC4 25600)
- DDR4 3000 (PC4 24000)
- DDR4 2933 (PC4 23400)
- DDR4 2666 (PC4 21333)
- DDR4 2666 (PC4 21330)
- DDR4 2666 (PC4 21300)
- DDR4 2400 (PC4 19200)
- DDR4 2133 (PC4 17000)
DDR3
- DDR3 2666 (PC3 21300)
- DDR3 1066 (PC3 8500)

Capacity

256GB per Module
- 2TB (8 x 256GB)
- 1TB (4 x 256GB)
128GB per Module
- 256GB (2 x 128GB)
- 512GB (4 x 128GB)
- 1TB (8 x 128GB)
- 2TB (16 x 128GB)
- 768GB (6 x 128GB)
64GB per Module
- 64GB
- 128GB (2 x 64GB)
- 256GB (4 x 64GB)
- 384GB (6 x 64GB)
- 512GB (8 x 64GB)
- 1TB (16 x 64GB)
- 768GB (12 x 64GB)
32GB per Module
- 32GB
- 64GB (2 x 32GB)
- 128GB (4 x 32GB)
- 256GB (8 x 32GB)
- 384GB (12 x 32GB)
- 512GB (16 x 32GB)
- 192GB (6 x 32GB)
16GB per Module
- 16GB
- 32GB (2 x 16GB)
- 64GB (4 x 16GB)
- 96GB (6 x 16GB)
- 128GB (8 x 16GB)
- 192GB (12 x 16GB)
- 256GB (16 x 16GB)
8GB per Module
- 8GB
- 16GB (2 x 8GB)
- 32GB (4 x 8GB)
- 48GB (6 x 8GB)
- 64GB (8 x 8GB)
- 128GB (16 x 8GB)

4GB per Module
- 4GB
- 8GB (2 x 4GB)
- 16GB (4 x 4GB)
2GB per Module
- 2GB
- 32GB (16 x 2GB)
Others
- 128GB
- 256GB

BIOS/Performance Profile

AMD EXPO
Intel XMP 2.0
Intel XMP 2.0 only

CAS Latency

CAS Latency 21-30
- CL21
- CL22
CAS Latency 11-20
- CL11
- CL15
- CL16
- CL17
- CL18
- CL19
CAS Latency 1-5
- CL1.5

Multi-channel Kit

Dual Channel Kit
Quad Channel Kit

Recommend Use

AMD & Intel Compatible
AMD 300 Series
AMD 400 Series
AMD 500 Series
AMD B350
AMD B450

AMD B550
AMD Ryzen Compatible
AMD TRX40
AMD X370
AMD X399
AMD X470
AMD X570
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Intel 100 Series
Intel X99
Intel X299
Intel Z170
Intel Z270
Intel Z370
Intel Z390
Intel Z490
Intel Z590
Intel Z690
Intel Z790
High Performance or Gaming Memory

Voltage

1.20V
1.35V

ECC

Yes
No
ECC Chipkill

Type

288-Pin DDR5 CUDIMM
288-Pin DDR5 SDRAM
288-Pin DDR4 SDRAM
184-Pin DDR SDRAM
100-Pin SDRAM
288-Pin DDR4 RDIMM

Color

Black
- Black
- Black PCB
Red
- Red
Green
- Green
Gray
- Gray
Multi
- Black / Red
- Black / White
- N/A
Silver
- Silver

White
- White

LED Color

RGB
Green
None
Lightweight

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Condition

New
Recertified
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- Trade-In Refurbished
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- Very Good
- Good
- Acceptable
Open Box

Total Capacity

2 GB
4 GB
8 GB
16 GB
32 GB
48 GB

64 GB
96 GB
128 GB
Total Capacity
192 GB
256 GB
384 GB
512 GB
768 GB
1024 GB
2048 GB

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- More than 5 years
- Lifetime
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DDR4 Desktop RAM Memory Upgrades

Shop A-Tech

(11)

A-Tech 8GB DDR4 3200MHz DIMM PC4-25600 UDIMM Non-ECC Unbuffered CL22 1.2V 288-Pin Desktop Computer RAM Memory Upgrade Module

$69^.10 –

(11)

A-Tech 64GB (2x32GB) DDR4 3200MHz DIMM PC4-25600 UDIMM Non-ECC Unbuffered CL22 2Rx8 1.2V 288-Pin Dual Rank Desktop Computer PC RAM Memory Upgrade Kit

$446^.18 –

(11)

A-Tech 8GB DDR4 2666MHz DIMM PC4-21300 UDIMM Non-ECC Unbuffered 1.2V CL19 288-Pin Desktop Computer RAM Memory Upgrade Module

$58^.69 –

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Crucial 64GB Kit (32GBx2) DDR4 2666 MT/s CL19 DIMM 288-Pin Memory - CT2K32G4DFD8266

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(2)

Crucial 64GB Kit (32GBx2) DDR4 2666 MT/s CL19 DIMM 288-Pin Memory - CT2K32G4DFD8266

CAS Latency: CL19
Voltage: 1.20V
Multi-channel Kit: Dual Channel Kit
Buffered/Registered: Unbuffered
Model #: CT2K32G4DFD8266

$459^.00 –

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Timetec 32GB DDR4 2666MHz PC4-21300 Non-ECC Unbuffered 1.2V CL19 2Rx8 Dual Rank 288 Pin UDIMM Desktop PC Computer Memory RAM Module Upgrade (32GB)

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Timetec 32GB DDR4 2666MHz PC4-21300 Non-ECC Unbuffered 1.2V CL19 2Rx8 Dual Rank 288 Pin UDIMM Desktop PC Computer Memory RAM Module Upgrade (32GB)

CAS Latency: CL19
Model #: 75TT26NU2R8-32G

$179^.99 –
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Direct from Timetec

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2Pcs Hynix HMA81GU6CJR8N-VK PC4-21300 8GB DDR4 2666Mhz 1Rx8 PC4-2666V CL19 1.20V Non-ECC Unbuffered 288pin DIMM Memory module For Desktop

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2Pcs Hynix HMA81GU6CJR8N-VK PC4-21300 8GB DDR4 2666Mhz 1Rx8 PC4-2666V CL19 1.20V Non-ECC Unbuffered 288pin DIMM Memory module For Desktop

Model #: HMA81GU6CJR8N-VK

$110^.00 –
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Crucial CT16G4RFD8266 16GB DDR4 2666 288-Pin CL19 2Rx8 ECC Registered DIMM Memory

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(1)

Crucial CT16G4RFD8266 16GB DDR4 2666 288-Pin CL19 2Rx8 ECC Registered DIMM Memory

Chipset: Major Brand Chipset
CAS Latency: CL19
Voltage: 1.20V
Multi-channel Kit: Quad Channel Kit
Model #: CT16G4RFD8266

$139^.99 –
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8GB RAM Replacement for Crucial CT8G4SFRA266.C4 | DDR4 2666MHz PC4-21300 SODIMM 1Rx16 Laptop Memory

CAS Latency: CL19
Voltage: 1.20V
Buffered/Registered: Unbuffered
Features: CT8G4SFRA266.C4
Model #: NE-PNR-1638

$61^.40 –

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Crucial 32GB DDR4-2666 UDIMM CT32G4DFD8266

CAS Latency: CL19
Color: Green
LED Color: None
Model #: CT32G4DFD8266

$224^.00 –

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Hynix HMA84GR7AFR4N-VK 32GB DDR4-2666 ECC REG DIMM

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Hynix HMA84GR7AFR4N-VK 32GB DDR4-2666 ECC REG DIMM

Type: 288-Pin DDR4 SDRAM
Model #: HMA84GR7AFR4N-VK

$198^.81 –
More options from $198.81 - $355.50

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A-Tech 128GB Kit (4x32GB) RAM for Apple iMac (2019, 2020) | DDR4 2666MHz PC4-21300 SODIMM 260-Pin Memory Upgrade

Voltage: 1.20V
Compatible System: Apple Mac Systems
Rank: 2Rx8
Parts: Lifetime
Model #: NE-MAC-0074

$774^.02 –

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Crucial 16GB DDR4 RAM, 3200MHz (PC4-25600) CL22 Desktop Memory, UDIMM 288-Pin, Downclockable to 2933/2666MHz, Compatible with Intel and AMD Ryzen - CT16G4DFRA32A

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Crucial 16GB DDR4 RAM, 3200MHz (PC4-25600) CL22 Desktop Memory, UDIMM 288-Pin, Downclockable to 2933/2666MHz, Compatible with Intel and AMD Ryzen - CT16G4DFRA32A

Model #: 9435761154128

$184^.99 –
$5.99 Shipping

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A-Tech 64GB Kit (4x16GB) RAM for Apple iMac (2019, 2020) | DDR4 2666MHz PC4-21300 SODIMM 260-Pin Memory Upgrade

Voltage: 1.20V
Compatible System: Apple Mac Systems
Rank: 2Rx8
Parts: Lifetime
Model #: NE-MAC-0064

$427^.54 –

Direct from A-Tech

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SAMSUNG 8G 288Pin DDR4 SDRAM 1Rx8 DDR4 2666MHz (PC4 21300) 1.2V Desktop Ram Memory

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(1)

SAMSUNG 8G 288Pin DDR4 SDRAM 1Rx8 DDR4 2666MHz (PC4 21300) 1.2V Desktop Ram Memory

CAS Latency: CL19
Voltage: 1.20V
Model #: M378A1K43CB2--CTD

$204.00
$60^.99 –
Save: $143.01 (70%)
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Crucial 32GB DDR4 2666 (PC4-21300) SDRAM Server Memory ECC Registered

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(2)

Crucial 32GB DDR4 2666 (PC4-21300) SDRAM Server Memory ECC Registered

Chipset: Micron Chipset
CAS Latency: CL19
Voltage: 1.20V
Multi-channel Kit: Quad Channel Kit
Model #: CT32G4RFD4266

$178^.00 –
More options from $178.00 - $229.00

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Hynix HMA82GR7CJR8N-VK 16GB DDR4-2666 ECC REG DIMM

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Hynix HMA82GR7CJR8N-VK 16GB DDR4-2666 ECC REG DIMM

Type: 288-Pin DDR4 SDRAM
Model #: HMA82GR7CJR8N-VK

$129^.00 –
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Supermicro (MTA36ASF4G72PZ-2G6E1) 32GB SDRAM ECC Registered DDR4 2666 (PC4 21300) Server Memory Model MEM-DR432L-CL03-ER26

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(2)

Supermicro (MTA36ASF4G72PZ-2G6E1) 32GB SDRAM ECC Registered DDR4 2666 (PC4 21300) Server Memory Model MEM-DR432L-CL03-ER26

CAS Latency: CL19
Voltage: 1.20V
Type: 288-Pin DDR4 SDRAM
Rank: 2Rx4
Model #: MEM-DR432L-CL03-ER26

$167^.75 –
More options from $167.75 - $200.83

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Micron MTA18ASF2G72PDZ-2G6E1 16GB DDR4-2666 2RX8 ECC RDIMM

Type: 288-Pin DDR4 SDRAM
Rank: 2Rx8
Model #: MTA18ASF2G72PDZ-2G6E

$166^.49 –
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HYNIX 32GB(2X16GB) DDR4 ECC Memory PC4-21300 2666MHz 2Rx8 Laptop Memory HMA82GS7CJR8N-VK PIN-260 1.2V

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(1)

HYNIX 32GB(2X16GB) DDR4 ECC Memory PC4-21300 2666MHz 2Rx8 Laptop Memory HMA82GS7CJR8N-VK PIN-260 1.2V

CAS Latency: CL19
Type: 260-Pin DDR4 SO-DIMM
Rank: 2Rx8
Model #: hynix-16gb-ecc-2666 x2

$383^.98 –
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Samsung 16GB DDR4 PC4-21300, 2666MHZ, 260 PIN SODIMM, 1.2V, CL 19 laptop ram memory module

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Samsung 16GB DDR4 PC4-21300, 2666MHZ, 260 PIN SODIMM, 1.2V, CL 19 laptop ram memory module

Model #: 969946385063

$120^.63 –

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Samsung 16GB DDR4 2666MHz PC4-21300 1.2V 2Rx8 260-Pin SODIMM Laptop RAM Memory Module M471A2K43DB1-CTD

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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 –
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8GB RAM Replacement for Dell 370-ADZL, AA101752, AA103685, AA286623, SNP5H5PWC/8G, SNPY7N41C/8G, Y7N41 | DDR4 2666MHz PC4-21300 DIMM 1Rx8 Desktop Memory

CAS Latency: CL19
Voltage: 1.20V
Chipset: Major Brand Chips
Recommend Use: AMD & Intel Compatible
Model #: 5053772482876

$62^.30 –

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16GB RAM Replacement for Synology D4EC-2666-16G | DDR4 2666MHz PC4-21300 ECC UDIMM 2Rx8 Server Memory

Chipset: Major Brand Chipset
CAS Latency: CL19
Voltage: 1.20V
Rank: 2Rx8
Model #: 5053772488977

$209^.99 –

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Kingston 8GB ECC DDR4 2666 (PC4 21300) Server Memory Model KSM26ES8/8ME

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(8)

Kingston 8GB ECC DDR4 2666 (PC4 21300) Server Memory Model KSM26ES8/8ME

CAS Latency: CL19
Timing: 19-19-19
Voltage: 1.20V
Type: 288-Pin DDR4 SDRAM
Model #: KSM26ES8/8ME

$99^.00 –

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Samsung - M393A2K43BB1-CTD - Samsung 16GB DDR4 SDRAM Memory Module - 16 GB (1 x 16 GB) - DDR4-2666/PC4-21300 DDR4 SDRAM

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(1)

Samsung - M393A2K43BB1-CTD - Samsung 16GB DDR4 SDRAM Memory Module - 16 GB (1 x 16 GB) - DDR4-2666/PC4-21300 DDR4 SDRAM

Chipset: Major Brand Chipset
CAS Latency: CL19
Voltage: 1.20V
Type: 288-Pin DDR4 SDRAM
Model #: M393A2K43BB1-CTD

$143^.99 –
More options from $97.09 - $175.49

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16GB RAM Replacement for Kingston KCP426SS8/16, KF426S16IB/16, KVR26S19S8/16 | DDR4 2666MHz PC4-21300 SODIMM 1Rx8 Laptop Memory

CAS Latency: CL19
Voltage: 1.20V
Buffered/Registered: Unbuffered
Features: Major Brand Chips
Model #: 5053772488151

$105^.92 –

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OWC 32GB (2X16GB) DDR4 RAM Compatible with Synology DiskStation DS1823+ and DS2422+ NAS System 2666MHz PC4-21300 CL19 ECC Unbuffered SODIMM 2Rx8 1.2V Memory Upgrade

Voltage: 1.2V
Compatible System: Synology DiskStationDS1823+ Synology DiskStationDS2422+
CAS Latency: CL19
Part Number: 2C6D42R8032P
Model #: OWC2C6D42R8032P-ZAH-SF

$313^.89 –

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Hynix HMA82GU7CJR8N-VK 16GB DDR4-2666 ECC UDIMM

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Hynix HMA82GU7CJR8N-VK 16GB DDR4-2666 ECC UDIMM

CAS Latency: CL11
Voltage: 1.20V
Type: 288-Pin DDR4 SDRAM
Rank: 2Rx8
Model #: HY4162666ECCD8-1-M2

$169^.99 –

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HYNIX 16GB DDR4 ECC Memory PC4-21300 2666MHz 2Rx8 Laptop Memory HMA82GS7CJR8N-VK PIN-260 1.2V

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HYNIX 16GB DDR4 ECC Memory PC4-21300 2666MHz 2Rx8 Laptop Memory HMA82GS7CJR8N-VK PIN-260 1.2V

CAS Latency: CL19
Type: 260-Pin DDR4 SO-DIMM
Rank: 2Rx8
Model #: hynix-16gb-ecc-2666

$191^.99 –
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Samsung 32Gb Ddr4 Sodimm 2666 Mhz Pc4-21300 Laptop Memory Ram (M471a4g43mb1-Ctd)

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Samsung 32Gb Ddr4 Sodimm 2666 Mhz Pc4-21300 Laptop Memory Ram (M471a4g43mb1-Ctd)

Model #: f51692f0-6dea-4

$178^.54 –

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Y7N41 - Dell Compatible 8GB PC4-21300 DDR4-2666MHz 1Rx8 1.2V Non-ECC UDIMM

Chipset: Major Brand Chipset
Voltage: 1.20V
Type: 288-Pin DDR4 SDRAM
Rank: 1Rx8
Model #: Y7N41

$89^.45 –

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Kingston - KSM26RD4/32MEI - Kingston 32GB Module - DDR4 2666MHz Server Premier - 32 GB - DDR4-2666/PC4-2666 DDR4 SDRAM -

Type: 288-Pin DDR4 SDRAM
Model #: KSM26RD4/32MEI

$329^.00 –
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OWC 16GB 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: 2C6D42R816GB
Model #: OWC2C6D42R816GB-ZAO-SF