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Speed
DDR5
DDR5 7200 (PC5 57600)
DDR5 6400 (PC5 51200)
DDR5 6200 (PC5 49600)
DDR5 6000 (PC5 48000)
DDR5 5600 (PC5 44800)
DDR5 5200 (PC5 41600)
DDR5 4800 (PC5 38400)
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DDR4 2933 (PC4 23466)
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DDR4 2666 (PC4 21300)
DDR4 2400 (PC4 19200)
DDR4 2133 (PC4 17060)
DDR4 2133 (PC4 17000)
DDR3
DDR5 6800 (PC5 54400)
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DDR3 3200 (PC3 25600)
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DDR3L 1866 (PC3L 14900)
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DDR3 1333 (PC3 10660)
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DDR3L 1066 (PC3L 8500)
DDR2
DDR2 1066 (PC2 8500)
DDR2 800 (PC2 6400)
DDR2 667 (PC2 5400)
DDR2 667 (PC2 5300)
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DDR2 533 (PC2 4200)
DDR2 400 (PC2 3200)
DDR
DDR 400 (PC 3200)
DDR 333 (PC 2700)
DDR 266 (PC 2100)
Type
260-Pin DDR4 SO-DIMM
288-Pin DDR4 RDIMM
288-Pin DDR4 SDRAM
288-Pin DDR5 SDRAM
Capacity
128GB per Module
256GB (2 x 128GB)
512GB (4 x 128GB)
1TB (8 x 128GB)
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48GB (6 x 8GB)
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4GB per Module
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2GB per Module
2GB
Others
128GB
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CAS Latency
CL1.5
CL11
CL15
CL17
CL19
Voltage
1.20V
1.35V
ECC
Yes
No
ECC Chipkill
Buffered/Registered
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(5)
Kingston KSM26ED8/32MF Server Premier 32GB DDR4 SDRAM Memory Module - 32 GB (1 x 32GB) - DDR4-2666/PC4-21300 DDR4 SDRAM - 2666 MHz Dual-rank Memory - CL19 - 1.20 V - ECC - Unbuffered - 288-pin - DIMM
Brand:
Kingston
Capacity:
32GB
Speed:
DDR4 2666 (PC4 21300)
ECC:
Yes
Model #:
KSM26ED8/32MF
$
299
.99
–
Free Shipping
Add to cart
Compare
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Black Diamond Memory 64GB (2 x 32GB) ECC Registered DDR4 2666 (PC4 21300) Server Memory Model BD32GX22666MQR29
Type:
288-Pin DDR4 SDRAM
Rank:
2Rx4
Model #:
BD32GX22666MQR29
$
999
.99
–
Free Shipping
Add to cart
Compare
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Black Diamond Memory 8GB ECC Registered DDR4 2666 (PC4 21300) Server Memory Model BD8G2666MQR26
Type:
288-Pin DDR4 SDRAM
Rank:
2Rx4
Model #:
BD8G2666MQR26
$
399
.99
–
Free Shipping
Add to cart
Compare
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Black Diamond Memory 32GB ECC Registered DDR4 2666 (PC4 21300) Server Memory Model BD32G2666MQR29
Type:
288-Pin DDR4 SDRAM
Rank:
2Rx4
Model #:
BD32G2666MQR29
$
699
.99
–
Free Shipping
Add to cart
Compare
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Black Diamond Memory 16GB (2 x 8GB) ECC Registered DDR4 2666 (PC4 21300) Server Memory Model BD8GX22666MQR26
Type:
288-Pin DDR4 SDRAM
Rank:
1Rx4
Model #:
BD8GX22666MQR26
$
699
.99
–
More options from $81.95 - $699.99
Free Shipping
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Black Diamond Memory 16GB ECC Registered DDR4 2666 (PC4 21300) Server Memory Model BD16G2666MQR26
Type:
288-Pin DDR4 SDRAM
Rank:
2Rx4
Model #:
BD16G2666MQR26
$
699
.99
–
Free Shipping
Add to cart
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Black Diamond Memory 64GB ECC Registered DDR4 2666 (PC4 21300) Server Memory Model BD64G2666MQR96
Type:
288-Pin DDR4 SDRAM
Rank:
4Rx4
Model #:
BD64G2666MQR96
$
799
.99
–
Free Shipping
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Black Diamond Memory 256GB (2 x 128GB) ECC Registered DDR4 2666 (PC4 21300) Server Memory Model BD128GX22666MQR96
Type:
288-Pin DDR4 SDRAM
Rank:
4Rx4
Model #:
BD128GX22666MQR96
$
3,499
.99
–
Free Shipping
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Black Diamond Memory 128GB (2 x 64GB) ECC Registered DDR4 2666 (PC4 21300) Server Memory Model BD64GX22666MQR96
Type:
288-Pin DDR4 SDRAM
Rank:
4Rx4
Model #:
BD64GX22666MQR96
$
2,999
.99
–
Free Shipping
Add to cart
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Black Diamond Memory 128GB ECC Registered DDR4 2666 (PC4 21300) Server Memory Model BD128G2666MQR96
Type:
288-Pin DDR4 SDRAM
Rank:
4Rx4
Model #:
BD128G2666MQR96
$
3,999
.99
–
Free Shipping
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Kingston KTH-PL426S8/8G 8GB DDR4 SDRAM Memory Module - 8 GB (1 x 8GB) - DDR4-2666/PC4-21300 DDR4 SDRAM - 2666 MHz - ECC - Registered - 288-pin - DIMM
CAS Latency:
CL19
Voltage:
1.20V
Type:
288-Pin DDR5 SDRAM
Rank:
1Rx8
Model #:
KTH-PL426S8/8G
$
208
.44
–
More options from $55.54 - $249.99
Free Shipping
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Kingston KTL-TS426/16G 16GB DDR4 SDRAM Memory Module - For Server, Desktop PC - 16 GB - DDR4-2666/PC4-21300 DDR4 SDRAM - 2666 MHz - CL19 - 1.20 V - ECC - Registered - 288-pin - DIMM
CAS Latency:
CL19
Voltage:
1.20V
Type:
288-Pin DDR4 SDRAM
Rank:
1Rx4
Model #:
KTL-TS426/16G
$121.98
$
119
.21
–
More options from $95.79 - $599.99
Volume Discounts:
$104.77 - $119.21
Add to cart
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Kingston 32GB DDR4 SDRAM Memory Module - 32 GB - DDR4-2666/PC4-21300 DDR4 SDRAM - 2666 MHz - CL19 - 1.20 V - ECC - Registered - 288-pin - DIMM - KTD-PE426/32G
CAS Latency:
CL19
Voltage:
1.20V
Type:
288-Pin DDR4 SDRAM
Rank:
2Rx4
Model #:
KTD-PE426/32G
$
899
.99
–
More options from $112.57 - $899.99
Free Shipping
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Kingston KTH-PL426/32G 32GB DDR4 SDRAM Memory Module - 32 GB - DDR4-2666/PC4-21300 DDR4 SDRAM - 2666 MHz - CL19 - 1.20 V - ECC - Registered - 288-pin - DIMM
CAS Latency:
CL19
Voltage:
1.20V
Type:
288-Pin DDR5 SDRAM
Rank:
2Rx4
Model #:
KTH-PL426/32G
$
219
.00
–
More options from $197.37 - $899.99
Add to cart
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(2)
Kingston KSM26RS4/32 32GB DDR4 SDRAM Memory Module - For Computer - 32 GB (1 x 32GB) - DDR4-2666/PC4-21300 DDR4 SDRAM - 2666 MHz Single-rank Memory - CL19 - 1.20 V - ECC - Registered - 288-pin - DIMM
Brand:
Kingston
Capacity:
32GB
Speed:
DDR4 2666 (PC4 21300)
ECC:
Yes
Model #:
KSM26RS4/32MFR
$
599
.99
–
More options from $224.63 - $599.99
Free Shipping
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UCS-MR-X16G1RS-H - Cisco Compatible 16GB PC4-21300 DDR4-2666Mhz 1Rx4 1.2v ECC Registered RDIMM
Chipset:
Major Brand Chipset
CAS Latency:
CL15
Voltage:
1.20V
Type:
288-Pin DDR4 SDRAM
Model #:
UCS-MR-X16G1RS-H
$
149
.45
–
Add to cart
Compare
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(1)
Samsung - M386A8K40BM2-CTD - Samsung 64GB DDR4 SDRAM Memory Module - 64 GB (1 x 64 GB) - DDR4-2666/PC4-21300 DDR4 SDRAM
Chipset:
Major Brand Chipset
CAS Latency:
CL19
Voltage:
1.20V
Type:
288-Pin DDR4 SDRAM
Model #:
M386A8K40BM2-CTD
$
645
.40
–
More options from $104.99 - $645.40
Free Shipping
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Kingston 16GB DDR4 SDRAM Memory Module - 16 GB - DDR4-2666/PC4-21300 DDR4 SDRAM - 2666 MHz - CL19 - 1.20 V - ECC - Registered - 288-pin - DIMM - KTH-PL426D8/16G
OUT OF STOCK
CAS Latency:
CL19
Voltage:
1.20V
Type:
288-Pin DDR5 SDRAM
Rank:
2Rx8
Model #:
KTH-PL426D8/16G
$
499
.99
–
More options from $37.50 - $499.99
Free Shipping
Auto Notify
Compare
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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
$
249
.99
–
More options from $44.00 - $320.53
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Supermicro (HMA81GR7CJR8N-VK) 8GB SDRAM ECC Registered DDR4 2666 (PC4 21300) Server Memory Model MEM-DR480L-HL05-ER26
CAS Latency:
CL19
Timing:
19-19-19
Voltage:
1.20V
Type:
288-Pin DDR4 SDRAM
Model #:
MEM-DR480L-HL05-ER26
$
71
.49
–
More options from $28.29 - $94.43
Add to cart
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A-Tech 8GB 1Rx4 PC4-21300R DDR4 2666 MHz ECC RDIMM Registered DIMM 288-Pin Single Rank x4 Server & Workstation RAM Memory Upgrade Module
Chipset:
Major Brand Chipset
CAS Latency:
CL19
Voltage:
1.20V
Rank:
1Rx4
Model #:
AT8G1D4D2666RS4N12V
$
54
.99
–
Available Direct from A-Tech
This product is sold direct from the manufacturer.
Add to cart
Compare
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Kingston - KSM26SED8/16ME - Kingston 16GB DDR4 SDRAM Memory Module - 16 GB - DDR4-2666/PC4-2666 DDR4 SDRAM - CL19 - 1.20
CAS Latency:
CL19
Timing:
19-19-19
Voltage:
1.20V
Rank:
2Rx8
Model #:
KSM26SED8/16ME
$
199
.00
–
More options from $153.00 - $199.00
Add to cart
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Samsung 16GB DDR4-2666 Server Memory 16GB DDR4-2666MHz CL19 Server Memory DR
Chipset:
Major Brand Chipset
CAS Latency:
CL19
Voltage:
1.20V
Type:
288-Pin DDR4 SDRAM
Model #:
M393A2G40EB2-CTD
$
149
.99
–
More options from $99.88 - $159.86
Free Shipping
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Kingston KSM26SES8/8HD 8GB DDR4 SDRAM Memory Module - 8 GB - DDR4-2666/PC4-21300 DDR4 SDRAM - 2666 MHz - CL19 - 1.20 V - ECC - Unbuffered - 260-pin - SoDIMM
Brand:
Kingston
Capacity:
8GB
Speed:
DDR4 2666 (PC4 21300)
ECC:
Yes
Model #:
KSM26SES8/8HD
$
99
.99
–
More options from $49.99 - $101.52
Add to cart
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A-Tech 16GB 2Rx4 PC4-21300 DDR4 2666 ECC REG RDIMM Registered DIMM 288-Pin Dual Rank x4 Server RAM Memory Module
Chipset:
Major Brand Chipset
Type:
288-Pin DDR4 SDRAM
Rank:
2Rx4
Parts:
Lifetime
Model #:
AT16G1D4D2666RD4N12V
$
159
.86
–
Available Direct from A-Tech
This product is sold direct from the manufacturer.
Add to cart
Compare
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A-Tech 16GB 2Rx8 PC4-21300R DDR4 2666 MHz ECC RDIMM Registered DIMM 288-Pin Dual Rank x8 Server & Workstation RAM Memory Upgrade Module
Chipset:
Major Brand Chipset
CAS Latency:
CL19
Voltage:
1.20V
Rank:
2Rx8
Model #:
AT16G1D4D2666RD8N12V
$
176
.23
–
Available Direct from A-Tech
This product is sold direct from the manufacturer.
Add to cart
Compare
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A-Tech 8GB 1Rx8 PC4-21300 DDR4 2666 ECC REG RDIMM Registered DIMM 288-Pin Single Rank x8 Server RAM Memory Module
Chipset:
Major Brand Chipset
Voltage:
1.20V
Type:
288-Pin DDR4 SDRAM
Rank:
1Rx8
Model #:
AT8G1D4D2666RS8N12V
$
71
.49
–
Available Direct from A-Tech
This product is sold direct from the manufacturer.
Add to cart
Compare
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8GB RAM Replacement for Kingston KSM26ES8/8ME | DDR4 2666MHz PC4-21300 ECC UDIMM 1Rx8 Server Memory
Chipset:
Major Brand Chipset
CAS Latency:
CL19
Voltage:
1.20V
Rank:
1Rx8
Model #:
NE-PNR-1969
$
81
.99
–
Direct from A-Tech
This product is sold direct from the manufacturer.
Add to cart
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16GB RAM Replacement for Crucial CT16G4RFD4266 | DDR4 2666MHz PC4-21300 ECC RDIMM 2Rx4 Server Memory
Chipset:
Major Brand Chipset
CAS Latency:
CL19
Voltage:
1.20V
Rank:
2Rx4
Model #:
NE-PNR-1629
$
159
.86
–
Direct from A-Tech
This product is sold direct from the manufacturer.
Add to cart
Compare
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A-Tech 32GB 2Rx4 PC4-21300 DDR4 2666 ECC REG RDIMM Registered DIMM 288-Pin Dual Rank x4 Server RAM Memory Module
Chipset:
Major Brand Chipset
Type:
288-Pin DDR4 SDRAM
Rank:
2Rx4
Parts:
Lifetime
Model #:
AT32G1D4D2666RD4N12V
$
305
.90
–
Available Direct from A-Tech
This product is sold direct from the manufacturer.
Add to cart
Compare
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A-Tech 16GB 1Rx4 PC4-21300R DDR4 2666 MHz ECC RDIMM Registered DIMM 288-Pin Single Rank x4 Server & Workstation RAM Memory Upgrade Module
Chipset:
Major Brand Chipset
CAS Latency:
CL19
Voltage:
1.20V
Rank:
1Rx4
Model #:
AT16G1D4D2666RS4N12V
$
153
.80
–
Available Direct from A-Tech
This product is sold direct from the manufacturer.
Add to cart
Compare
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8GB RAM Replacement for Samsung M393A1G40EB2-CTD | DDR4 2666MHz PC4-21300 ECC RDIMM 1Rx4 Server Memory
Chipset:
Major Brand Chipset
CAS Latency:
CL19
Voltage:
1.20V
Rank:
1Rx4
Model #:
5053772479807
$
54
.99
–
Direct from A-Tech
This product is sold direct from the manufacturer.
Add to cart
Compare
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Supermicro Certified MEM-DR416L-SL07-ER26 | Samsung 16GB PC4-21300 DDR4 2666MHz 1Rx4 Single Rank ECC RDIMM Registered 288-Pin Server Memory RAM
Chipset:
Samsung Chipset
CAS Latency:
CL19
Voltage:
1.20V
Rank:
1Rx4
Model #:
MEM-DR416L-SL07-ER26
$
155
.99
–
Direct from A-Tech
This product is sold direct from the manufacturer.
Add to cart
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8GB RAM Replacement for Hynix HMA81GU7AFR8N-VK, HMA81GU7CJR8N-VK, HMA81GU7DJR8N-VK | DDR4 2666MHz PC4-21300 ECC UDIMM 1Rx8 Server Memory
Chipset:
Major Brand Chipset
CAS Latency:
CL19
Voltage:
1.20V
Rank:
1Rx8
Model #:
5053772477940
$
81
.99
–
Direct from A-Tech
This product is sold direct from the manufacturer.
Add to cart
Compare
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8GB RAM Replacement for Dell A9845650, AA335287, SNPD715XC/8G | DDR4 2666MHz PC4-21300 ECC UDIMM 1Rx8 Server Memory
Chipset:
Major Brand Chipset
CAS Latency:
CL19
Voltage:
1.20V
Rank:
1Rx8
Model #:
5053772482999
$
81
.99
–
Direct from A-Tech
This product is sold direct from the manufacturer.
Add to cart
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A-Tech 64GB 4Rx4 PC4-21300L DDR4 2666 MHz ECC LRDIMM Load Reduced DIMM 288-Pin 4DRx4 Quad Rank x4 Server RAM Memory Upgrade Module
Chipset:
Major Brand Chipset
CAS Latency:
CL19
Voltage:
1.20V
Rank:
4Rx4 (4DRx4)
Model #:
AT64G1D4D2666LQ4N12V
$
403
.19
–
Available Direct from A-Tech
This product is sold direct from the manufacturer.
Add to cart
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