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Speed
DDR5
DDR5 9600 (PC5 76800)
DDR5 8800 (PC5 70400)
DDR5 8400 (PC5 67200)
DDR5 8200 (PC5 65600)
DDR5 8000 (PC5 64000)
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DDR5 4800 (PC5 38400)
DDR4
DDR4 4800 (PC4-38400)
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DDR4 2933 (PC4 23466)
DDR4 2933 (PC4 23400)
DDR4 2800 (PC4 22400)
DDR4 2666 (PC4 21333)
DDR4 2666 (PC4 21330)
DDR4 2666 (PC4 21300)
DDR4 2400 (PC4 19200)
DDR4 2133 (PC4 17000)
DDR3
DDR3 3200 (PC3 25600)
DDR3 2400 (PC3 19200)
DDR3 2133 (PC3 17000)
DDR3 1866 (PC3 14900)
DDR3L 1866 (PC3L 14900)
DDR3 1600 (PC3 12800)
DDR3L 1600 (PC3L 12800)
DDR3 1333 (PC3 10666)
DDR3 1333 (PC3 10600)
DDR3L 1333 (PC3L 10600)
DDR3 1066 (PC3 8500)
DDR2
DDR2 1066 (PC2 8500)
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DDR2 667 (PC2 5300)
DDR2 533 (PC2 4300)
DDR2 533 (PC2 4200)
DDR2 400 (PC2 3200)
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Capacity
64GB per Module
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4GB per Module
4GB
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16GB (4 x 4GB)
Type
288-Pin DDR4 SDRAM
CAS Latency
CAS Latency 21-30
CL22
CAS Latency 11-20
CL15
CL16
CL17
CL19
CAS Latency 1-5
CL1.5
Multi-channel Kit
Dual Channel Kit
Quad Channel Kit
Recommend Use
AMD & Intel Compatible
AMD 300 Series
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AMD Ryzen Compatible
AMD TRX40
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Intel Z790
High Performance or Gaming Memory
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Voltage
1.20V
1.35V
ECC
Yes
No
Sold by
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Color
Black
Black PCB
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Red
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Green
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Gray
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Intel XMP 2.0
LED Color
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Condition
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Total Capacity
4 GB
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DDR4 2666 (PC4 21300)
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(1,400)
G.SKILL Aegis 32GB (2 x 16GB) 288-Pin PC RAM DDR4 2666 (PC4 21300) Desktop Memory Model F4-2666C19D-32GIS
CAS Latency:
CL19
Voltage:
1.20V
Multi-channel Kit:
Dual Channel Kit
Timing:
19-19-19-43
Model #:
F4-2666C19D-32GIS
$
259
.99
–
More options from $62.66 - $285.16
Free Shipping
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(137)
CORSAIR Vengeance LPX 16GB (2 x 8GB) 288-Pin PC RAM DDR4 2666 (PC4 21300) Desktop Memory Model CMK16GX4M2A2666C16
CAS Latency:
CL16
Voltage:
1.20V
Multi-channel Kit:
Dual Channel Kit
Timing:
16-18-18-35
Model #:
CMK16GX4M2A2666C16
$159.49
$
144
.99
–
Save:
$14.50
(9%)
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(153)
CORSAIR Vengeance LPX 32GB (2 x 16GB) 288-Pin PC RAM DDR4 2666 (PC4 21300) Memory Kit Model CMK32GX4M2A2666C16
CAS Latency:
CL16
Voltage:
1.20V
Timing:
16-18-18-35
Recommend Use:
AMD 300 Series / AMD 400 Series / AMD X570 / High Performance or Gaming Memory / Intel 100 Series / Intel 200 Series / Intel 300 Series / Intel 400 Series / Intel X299
Model #:
CMK32GX4M2A2666C16
$
249
.00
–
More options from $86.99 - $259.99
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(1)
Patriot Signature Line 32GB 288-Pin PC RAM DDR4 2666 (PC4 21300) Desktop Memory Model PSD432G26662
CAS Latency:
CL19
Voltage:
1.20V
Timing:
19-19-19-43
Buffered/Registered:
Unbuffered
Model #:
PSD432G26662
$
189
.99
–
More options from $95.44 - $189.99
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(6)
G.SKILL Value Series 32GB DDR4 2666 (PC4 21300) Desktop Memory Model F4-2666C19S-32GNT
CAS Latency:
CL19
Voltage:
1.20V
Timing:
19-19-19-43
Recommend Use:
AMD X570 / B550 Intel Z790 DDR4 / Z690 DDR4 / Z590 / Z490 / Z390
Model #:
F4-2666C19S-32GNT
$
249
.99
–
More options from $249.99 - $294.28
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(134)
Crucial 8GB 288-Pin PC RAM DDR4 2666 (PC4 21300) Desktop Memory Model CT8G4DFRA266
CAS Latency:
CL19
Voltage:
1.20V
Timing:
19-19-19
Buffered/Registered:
Unbuffered
Model #:
CT8G4DFRA266
$68.91
$
64
.94
–
Save:
$3.97
(5%)
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(11)
A-Tech 4GB DDR4 2666MHz DIMM PC4-21300 UDIMM Non-ECC Unbuffered 1.2V CL19 288-Pin Desktop Computer RAM Memory Upgrade Module
Voltage:
1.20V
Recommend Use:
AMD & Intel Compatible
Buffered/Registered:
Unbuffered
Tested Frequency:
2666
Model #:
NE-SS-0025
$
35
.65
–
Available Direct from A-Tech
This product is sold direct from the manufacturer.
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(1)
Timetec 16GB DDR4 2666MHz PC4-21300 Non-ECC Unbuffered 1.2V CL19 2Rx8 Dual Rank 288 Pin UDIMM Desktop Memory RAM Module Upgrade (16GB)
CAS Latency:
CL19
Voltage:
1.20V
Buffered/Registered:
Unbuffered
Model #:
MM-DR4/16G/2666-S
$
105
.99
–
Free Shipping
Direct from Timetec
This product is sold direct from the manufacturer.
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(1)
Samsung 32GB DDR4 2666MHz PC4-21300 1.2V 2Rx8 288-Pin UDIMM Desktop RAM Memory Module M378A4G43MB1-CTD
CAS Latency:
CL19
Voltage:
1.20V
Buffered/Registered:
Unbuffered / Unregistered
Color:
Green
Model #:
M378A4G43MB1-CTD-SM
$
219
.99
–
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(60)
Crucial 4GB Single DDR4 2666 MT/s (PC4-21300) CL19 x8 UDIMM 288-Pin Memory - CT4G4DFS8266
CAS Latency:
CL19
Voltage:
1.20V
Buffered/Registered:
Unbuffered
BIOS/Performance Profile:
Intel XMP 2.0
Model #:
CT4G4DFS8266
$
41
.82
–
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(1)
Crucial 8GB Single DDR4 2666 MT/s (PC4-21300) SR x8 DIMM 288-Pin Memory - CT8G4DFS8266
CAS Latency:
CL19
Voltage:
1.20V
Multi-channel Kit:
Dual Channel Kit
Timing:
19-19-19
Model #:
CT8G4DFS8266-CRUCIAL
$
64
.99
–
More options from $27.98 - $198.87
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(9)
Kingston ValueRAM 8GB (1 x 8GB) DDR4 2666MHz DRAM (Desktop Memory) CL19 1.2V DIMM (288-pin) KVR26N19S8/8
CAS Latency:
CL19
Voltage:
1.20V
Timing:
19-19-19
Buffered/Registered:
Unbuffered
Model #:
KVR26N19S8/8
$
64
.99
–
More options from $25.82 - $196.12
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(4)
Kingston ValueRAM 4GB DDR4 2666MHz 288pin SDRAM DIMM Memory Module KVR26N19S64
CAS Latency:
CL19
Voltage:
1.20V
Timing:
19-19-19
Buffered/Registered:
Unbuffered
Model #:
KVR26N19S6/4
$
69
.99
–
More options from $26.96 - $114.31
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(7)
Timetec 16GB KIT(2x8GB) DDR4 2666MHz PC4-21300 Unbuffered Non-ECC 1.2V CL19 1Rx8 Single Rank 288 Pin UDIMM Desktop PC Computer Memory RAM Module Upgrade (16GB KIT(2x8GB))
Voltage:
1.20V
Color:
Black PCB
Model #:
MR-G8GD426U2E
$
117
.99
–
Free Shipping
Available Direct from Timetec
This product is sold direct from the manufacturer.
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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
$
69
.69
–
More options from $24.99 - $83.79
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Kingston 16GB DDR4 SDRAM Memory Module - 16 GB - DDR4-2666/PC4-21300 DDR4 SDRAM - 2666 MHz - CL19 - 1.20 V - Non-ECC - Unbuffered - 288-pin - DIMM - KCP426ND8/16
CAS Latency:
CL19
Voltage:
1.20V
Type:
288-Pin DDR5 SDRAM
Rank:
2Rx8
Model #:
KCP426ND8/16
$
119
.99
–
More options from $51.62 - $224.35
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(6)
Patriot Memory Signature Line 8GB (1x8GB) DDR4 2666MHz (PC4-21300) UDIMM Memory Module 1.2V - PSD48G266681
CAS Latency:
CL19
Voltage:
1.20V
Timing:
19-19-19-43
Buffered/Registered:
Unbuffered
Model #:
PSD48G266681
$74.99
See price in cart
Free Shipping
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Samsung 1x 16GB DDR4-2666 UDIMM PC4-21300V-U Dual Rank x8 Module
CAS Latency:
CL19
Voltage:
1.20V
Timing:
CL 19
Buffered/Registered:
Unbuffered
Model #:
M378A2K43CB1-CTD
$129.99
$
127
.70
–
More options from $36.98 - $139.00
Free Shipping
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Total Micro 32GB DDR4 SDRAM Memory Module - 32 GB - DDR4-2666/PC4-21300 DDR4 SDRAM - 2666 MHz - ECC - Registered - 288-pin - DIMM
ECC:
ECC
BIOS/Performance Profile:
Intel XMP 2.0
Model #:
A9781929-TM
$
376
.99
–
More options from $105.13 - $419.30
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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
$
135
.98
–
More options from $62.44 - $139.98
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8GB DDR4 2666MHz PC4-21300 CL19 ECC Registered 288pin Hynix Memory HMA81GR7AFR8N-VK
CAS Latency:
CL19
Model #:
HMA81GR7AFR8N-VK
$
49
.98
–
More options from $22.99 - $107.73
Free Shipping
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Timetec 8GB DDR4 2666MHz PC4-21300 Non-ECC Unbuffered 1.2V CL19 1Rx8 Single Rank 288 Pin UDIMM Desktop PC Computer Memory RAM Module Upgrade (8GB)
Voltage:
1.20V
Color:
Black PCB
Model #:
MR-G8GD426U2E
$
60
.99
–
Free Shipping
Direct from Timetec
This product is sold direct from the manufacturer.
Add to cart
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16GB RAM Replacement for Corsair CMK32GX4M2A2666C16 | DDR4 2666MHz PC4-21300 DIMM 2Rx8 Desktop Memory
CAS Latency:
CL19
Voltage:
1.20V
Chipset:
Major Brand Chipset
Recommend Use:
Compatible Replacement for Corsair CMK32GX4M2A2666C16
Model #:
NE-PNR-1596
$
121
.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 Corsair CMK32GX4M4A2666C16 | DDR4 2666MHz PC4-21300 DIMM 2Rx8 Desktop Memory
CAS Latency:
CL19
Voltage:
1.20V
Chipset:
Major Brand Chipset
Recommend Use:
Compatible Replacement for Corsair CMK32GX4M4A2666C16
Model #:
NE-PNR-1599
$
68
.99
–
Direct from A-Tech
This product is sold direct from the manufacturer.
Add to cart
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8GB RAM Replacement for Crucial CT8G4DFRA266.C8 | DDR4 2666MHz PC4-21300 DIMM 1Rx8 Desktop Memory
CAS Latency:
CL19
Voltage:
1.20V
Chipset:
Major Brand Chipset
Recommend Use:
Compatible Replacement for Crucial CT8G4DFRA266.C8
Model #:
NE-PNR-1623
$
68
.99
–
Direct from A-Tech
This product is sold direct from the manufacturer.
Add to cart
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8GB RAM Replacement for Crucial CT2K8G4DFRA266 | DDR4 2666MHz PC4-21300 DIMM Desktop Memory
CAS Latency:
CL19
Voltage:
1.20V
Chipset:
Major Brand Chips
Recommend Use:
AMD & Intel Compatible
Model #:
5053772481176
$
68
.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 Corsair CMK8GX4M1A2666C16 | DDR4 2666MHz PC4-21300 DIMM 1Rx8 Desktop Memory
CAS Latency:
CL19
Voltage:
1.20V
Chipset:
Major Brand Chipset
Recommend Use:
Compatible Replacement for Corsair CMK8GX4M1A2666C16
Model #:
NE-PNR-1594
$
68
.99
–
Direct from A-Tech
This product is sold direct from the manufacturer.
Add to cart
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8GB RAM Replacement for Kingston HP26D4U9S8ME-8, KVR26N19S8/8 | DDR4 2666MHz PC4-21300 DIMM 1Rx8 Desktop Memory
CAS Latency:
CL19
Voltage:
1.20V
Chipset:
Major Brand Chips
Recommend Use:
AMD & Intel Compatible
Model #:
5053772488618
$
68
.99
–
Direct from A-Tech
This product is sold direct from the manufacturer.
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16GB RAM Replacement for HP 933278-001, L21496-001, L26007-001, L40876-800 | DDR4 2666MHz PC4-21300 DIMM 2Rx8 Desktop Memory
CAS Latency:
CL19
Voltage:
1.20V
Chipset:
Major Brand Chipset
Recommend Use:
Compatible Replacement for HP 933278-001, L21496-001, L26007-001, L40876-800
Model #:
NE-PNR-1724
$
121
.99
–
Direct from A-Tech
This product is sold direct from the manufacturer.
Add to cart
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4GB RAM Replacement for Samsung M378A5143TB2-CTD | DDR4 2666MHz PC4-21300 DIMM 1Rx8 Desktop Memory
Voltage:
1.20V
Recommend Use:
AMD & Intel Compatible
Buffered/Registered:
Unbuffered
Tested Frequency:
2666
Model #:
5053772475083
$
41
.15
–
Direct from A-Tech
This product is sold direct from the manufacturer.
Add to cart
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8GB RAM Replacement for Samsung M378A1K43BB2-CTD, M378A1K43CB2-CTD, M378A1K43DB2-CTD | DDR4 2666MHz PC4-21300 DIMM 1Rx8 Desktop Memory
Voltage:
1.20V
Recommend Use:
AMD & Intel Compatible
Buffered/Registered:
Unbuffered
Tested Frequency:
2666
Model #:
5053772474505
$
68
.99
–
Direct from A-Tech
This product is sold direct from the manufacturer.
Add to cart
Compare
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16GB RAM Replacement for Crucial CT16G4DFRA266 | DDR4 2666MHz PC4-21300 DIMM 1Rx8 Desktop Memory
CAS Latency:
CL19
Voltage:
1.20V
Chipset:
Major Brand Chips
Recommend Use:
AMD & Intel Compatible
Model #:
5053772480728
$
121
.99
–
Direct from A-Tech
This product is sold direct from the manufacturer.
Add to cart
Compare
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16GB RAM Replacement for Samsung M378A2K43BB1-CTD, M378A2K43CB1-CTD, M378A2K43DB1-CTD | DDR4 2666MHz PC4-21300 DIMM 2Rx8 Desktop Memory
Voltage:
1.20V
Recommend Use:
AMD & Intel Compatible
Buffered/Registered:
Unbuffered
Tested Frequency:
2666
Model #:
5053772474468
$
121
.99
–
Direct from A-Tech
This product is sold direct from the manufacturer.
Add to cart
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4GB RAM Replacement for Hynix HMA851U6CJR6N-VK, HMA851U6DJR6N-VK | DDR4 2666MHz PC4-21300 DIMM 1Rx16 Desktop Memory
Voltage:
1.20V
Recommend Use:
AMD & Intel Compatible
Buffered/Registered:
Unbuffered
Tested Frequency:
2666
Model #:
5053772474796
$
41
.15
–
Direct from A-Tech
This product is sold direct from the manufacturer.
Add to cart
Compare
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4GB RAM Replacement for Crucial BLS4G4D26BFSC | DDR4 2666MHz PC4-21300 DIMM Desktop Memory
CAS Latency:
CL19
Voltage:
1.20V
Chipset:
Major Brand Chips
Recommend Use:
AMD & Intel Compatible
Model #:
5053772481039
$
41
.15
–
Direct from A-Tech
This product is sold direct from the manufacturer.
Add to cart
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4GB RAM Replacement for HP L26005-001, L36847-001 | DDR4 2666MHz PC4-21300 DIMM 1Rx8 Desktop Memory
CAS Latency:
CL19
Voltage:
1.20V
Chipset:
Major Brand Chipset
Recommend Use:
Compatible Replacement for HP L26005-001, L36847-001
Model #:
NE-PNR-1732
$
35
.65
–
Direct from A-Tech
This product is sold direct from the manufacturer.
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