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This memory worked out of the box. It got detected as 5200MHz in my motherboard that didn't list it in the QVL. I was able to choose speed of 5600MHz in the BIOS and it worked without any glitches. Very good stick of RAM at a good price.

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NEMIX RAM 32GB (2X16GB) DDR5 5600MHZ PC5-44800 1Rx8 1.1V 288-PIN ECC RDIMM Registered Server Memory KIT
NEMIX RAM 32GB (2X16GB) DDR5 5600MHZ PC5-44800 1Rx8 1.1V 288-PIN ECC RDIMM Registered Server Memory KIT
  • Brand: NEMIX RAM
  • Series: NEMIX RAM Original Series Memory
  • Capacity: 32GB (2 x 16GB)
  • Speed: DDR5 5600 (PC5 44800)
  • Model #: MR44800-618K2-G
  • Item #: 9SIA7S6KAZ4812
  • Return Policy: View Return Policy
$206.99
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Supermicro Certified MEM-DR532MD-ER48 | Micron MTC20F2085S1RC48BA1 | 32GB PC5-38400 DDR5 4800MHz 2Rx8 Dual Rank ECC RDIMM Registered 288-Pin Server Memory RAM
Supermicro Certified MEM-DR532MD-ER48 | Micron MTC20F2085S1RC48BA1 | 32GB PC5-38400 DDR5 4800MHz 2Rx8 Dual Rank ECC RDIMM Registered 288-Pin Server Memory RAM
  • Chipset: Micron Chipset
  • CAS Latency: CL40
  • Voltage: 1.10V
  • Rank: 2Rx8 (EC8)
  • Model #: MEM-DR532MD-ER48 MTC20F2085S1RC48BA1
  • Item #: 9SIAMBVK925193
  • Return Policy: View Return Policy
$129.99
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SAMSUNG 32GB ECC Load Reduced DDR4 2133 (PC4 17000) Server Memory Model M386A4G40DM0-CPB
SAMSUNG 32GB ECC Load Reduced DDR4 2133 (PC4 17000) Server Memory Model M386A4G40DM0-CPB
  • Chipset: Major Brand Chipset
  • CAS Latency: CL15
  • Timing: 15-15-15
  • Voltage: 1.20V
  • Model #: M386A4G40DM0-CPB
  • Item #: 9SIA4A0KFV6144
  • Return Policy: View Return Policy
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$34.69
$49.99
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Works in my Asus Z10pe-D15ws mobo. System stable - no issues with this RAM - runs at rated speed.

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G.SKILL G5 Neo Series 256GB (8 x 32GB) ECC Registered DDR5 6400 (PC5 51200) Server Memory Model F5-6400R3239G32GE8-G5N
G.SKILL G5 Neo Series 256GB (8 x 32GB) ECC Registered DDR5 6400 (PC5 51200) Server Memory Model F5-6400R3239G32GE8-G5N
  • Brand: G.SKILL
  • Series: G5 Neo Series
  • Capacity: 256GB (8 x 32GB)
  • Speed: DDR5 6400 (PC5 51200)
  • Model #: F5-6400R3239G32GE8-G5N
  • Item #: N82E16820374748
  • Return Policy: Manufacturer Only Return Policy
$1,579.99
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NEMIX RAM 128GB (4X32GB) DDR5 5600MHZ PC5-44800 1.1V 2Rx8 288-PIN ECC Unbuffered UDIMM KIT
NEMIX RAM 128GB (4X32GB) DDR5 5600MHZ PC5-44800 1.1V 2Rx8 288-PIN ECC Unbuffered UDIMM KIT
  • Chipset: Major OEM Samsung, Micron, Hynix
  • CAS Latency: CL42
  • Voltage: 1.10V
  • Part Number: ME44800-328K4X
  • Model #: ME44800-328K4-GX
  • Item #: 9SIA7S6K3T3026
  • Return Policy: View Return Policy
$569.99
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Kingston KSM26SED8/16HD  16GB DDR4 SDRAM Memory Module - 16 GB - DDR4-2666/PC4-21300 DDR4 SDRAM - 2666 MHz - CL19 - 1.20 V - ECC - Unbuffered - 260-pin - SoDIMM -
Kingston KSM26SED8/16HD 16GB DDR4 SDRAM Memory Module - 16 GB - DDR4-2666/PC4-21300 DDR4 SDRAM - 2666 MHz - CL19 - 1.20 V - ECC - Unbuffered - 260-pin - SoDIMM -
  • Brand: Kingston
  • Capacity: 16GB
  • Speed: DDR4 2666 (PC4 21300)
  • ECC: Yes
  • Model #: KSM26SED8/16HD
  • Item #: 9SIAEYEJAX8835
  • Return Policy: View Return Policy
$79.99
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My Synology NAS 923+ is now 16 gigs smarter. Easy installation. I recommend this memory for your Synology equipment.

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Micron 16GB Server Workstation Memory - DDR4 3200 - ECC Parity - Registered - 2Rx8 - CL22 - 1.2V
Micron 16GB Server Workstation Memory - DDR4 3200 - ECC Parity - Registered - 2Rx8 - CL22 - 1.2V
  • Voltage: 1.20V
  • Part Number: MTA18ASF2G72PDZ-3G2R
  • Type: RDIMM
  • Rank: 2Rx8
  • Model #: MTA18ASF2G72PDZ-3G2R
  • Item #: 9SIAMBVK663609
  • Return Policy: View Return Policy
$38.40
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Kingston 16GB DDR5 SDRAM Memory Module - For Workstation - 16 GB - DDR5-4800/PC5-38400 DDR5 SDRAM - 4800 MHz Single-rank Memory - CL40 - 1.10 V - ECC - Unbuffered - 288-pin - DIMM - KTH-PL548E-16G
Kingston 16GB DDR5 SDRAM Memory Module - For Workstation - 16 GB - DDR5-4800/PC5-38400 DDR5 SDRAM - 4800 MHz Single-rank Memory - CL40 - 1.10 V - ECC - Unbuffered - 288-pin - DIMM - KTH-PL548E-16G
  • CAS Latency: CL40
  • Voltage: 1.10V
  • Type: 288-Pin DDR5 SDRAM
  • Rank: 1Rx8
  • Model #: KTH-PL548E-16G
  • Item #: 9SIA24GKGW9019
  • Return Policy: View Return Policy
$100.02
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HMA82GR7DJR8N-XN Hynix 16GB(1X16GB) DDR4-25600 2Rx8 EEC PC4-3200AA Server Memory
HMA82GR7DJR8N-XN Hynix 16GB(1X16GB) DDR4-25600 2Rx8 EEC PC4-3200AA Server Memory
  • CAS Latency: CL22
  • Voltage: 1.20V
  • Type: 288-Pin DDR4 SDRAM
  • Model #: HMA82GR7DJR8N-XN X1
  • Item #: 9SIA9Y1KJS8436
  • Return Policy: View Return Policy
$47.88
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V-Color DDR5 128GB (64GBx2) 6400MHz CL52 2Rx8 ECC UNBUFFERED DIMM 1.1V (ECC UDIMM) Memory Ram for Server (TE564G64D852K)
V-Color DDR5 128GB (64GBx2) 6400MHz CL52 2Rx8 ECC UNBUFFERED DIMM 1.1V (ECC UDIMM) Memory Ram for Server (TE564G64D852K)
  • Part Number: TE564G64D852K
  • CAS Latency: 52
  • Rank: 2Rx8
  • Model #: TE564G64D852K
  • Item #: 9SIAMCMKH74782
  • Return Policy: View Return Policy
$729.99
$35.00 Shipping
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G.SKILL G5 Neo Series 128GB (4 x 32GB) ECC Registered DDR5 6400 (PC5 51200) Server Memory Model F5-6400R3239G32GQ4-G5N
G.SKILL G5 Neo Series 128GB (4 x 32GB) ECC Registered DDR5 6400 (PC5 51200) Server Memory Model F5-6400R3239G32GQ4-G5N
  • Brand: G.SKILL
  • Series: G5 Neo Series
  • Capacity: 128GB (4 x 32GB)
  • Speed: DDR5 6400 (PC5 51200)
  • Model #: F5-6400R3239G32GQ4-G5N
  • Item #: N82E16820374749
  • Return Policy: Manufacturer Only Return Policy
$799.99
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V-Color DDR5 128GB (64GBx2) 5600MHz CL46 2Rx8 ECC UNBUFFERED DIMM 1.1V (ECC UDIMM) Memory Ram for Server (TE564G56D846K)
V-Color DDR5 128GB (64GBx2) 5600MHz CL46 2Rx8 ECC UNBUFFERED DIMM 1.1V (ECC UDIMM) Memory Ram for Server (TE564G56D846K)
  • Part Number: TE564G56D846K
  • CAS Latency: 46
  • Rank: 2Rx8
  • Model #: TE564G56D846K
  • Item #: 9SIAMCMKH74781
  • Return Policy: View Return Policy
$669.99
$35.00 Shipping
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A-Tech 512GB (8x64GB) 4Rx4 PC4-19200L DDR4 2400 MHz ECC LRDIMM Load Reduced DIMM 288-Pin 4DRx4 Quad Rank x4 Server RAM Memory Upgrade Kit
A-Tech 512GB (8x64GB) 4Rx4 PC4-19200L DDR4 2400 MHz ECC LRDIMM Load Reduced DIMM 288-Pin 4DRx4 Quad Rank x4 Server RAM Memory Upgrade Kit
  • Chipset: Major Brand Chipset
  • CAS Latency: CL17
  • Voltage: 1.20V
  • Rank: 4Rx4 (4DRx4)
  • Model #: AT64G8D4D2400LQ4N12V
  • Item #: 9SIAMBVK076631
  • Return Policy: View Return Policy
$647.88
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I bought these for my dual Xeon build. The memory came in well packaged. To my surprise, they also came with shiny metal heat sinks. I put them in and they just worked. Although long term quality is yet to be determined, I would recommend them for now.

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V-Color DDR5 96GB (48GBx2) 5600MHz CL46 2Rx8 ECC UNBUFFERED DIMM 1.1V (ECC UDIMM) Memory Ram for Server (TE548G56D846K)
V-Color DDR5 96GB (48GBx2) 5600MHz CL46 2Rx8 ECC UNBUFFERED DIMM 1.1V (ECC UDIMM) Memory Ram for Server (TE548G56D846K)
  • Part Number: TE548G52D842K
  • CAS Latency: 46
  • Rank: 2Rx8
  • Model #: TE548G56D846K
  • Item #: 9SIAMCMKGP6802
  • Return Policy: View Return Policy
Save 13%
$429.99
$494.49
$35.00 Shipping
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Crucial 64GB Server Workstation Memory - DDR5 4800MHz - ECC Parity - Registered - Dual Rank - CL40
Crucial 64GB Server Workstation Memory - DDR5 4800MHz - ECC Parity - Registered - Dual Rank - CL40
  • CAS Latency: CL40
  • Timing: 40-39-39
  • Voltage: 1.10V
  • Part Number: MTC40F2046S1RC48BA1R
  • Model #: MTC40F2046S1RC48BA1R
  • Item #: 9SIAMBVKFS4245
  • Return Policy: View Return Policy
$299.19
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Samsung M321R8GA0BB0-CQK 64GB 2Rx4 PC5-38400 4800MHz DDR5 EC8 RDIMM ECC Registered Server Memory RAM
Samsung M321R8GA0BB0-CQK 64GB 2Rx4 PC5-38400 4800MHz DDR5 EC8 RDIMM ECC Registered Server Memory RAM
  • Part Number: M321R8GA0BB0-CQK
  • Rank: 2Rx4
  • Model #: M321R8GA0BB0-CQK
  • Item #: 9SIAMBVK033434
  • Return Policy: View Return Policy
$349.99
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V-Color DDR5 128GB (4x32GB) 6000MHz CL30 2Rx8 Ultra Low-timing OC R-DIMM (Overclocking ECC Registered DIMM) 1.4V Memory Ram for TRX50/WRX90 Workstation (AMD EXPO) (TRA532G60D830Q)
V-Color DDR5 128GB (4x32GB) 6000MHz CL30 2Rx8 Ultra Low-timing OC R-DIMM (Overclocking ECC Registered DIMM) 1.4V Memory Ram for TRX50/WRX90 Workstation (AMD EXPO) (TRA532G60D830Q)
  • Brand: V-Color
  • Series: OC R-DIMM Low-Timing
  • Capacity: 128GB (4 x 32GB)
  • Speed: DDR5 6000 (PC5 48000)
  • Model #: TRA532G60D830Q
  • Item #: 9SIAMCMKFX7373
  • Return Policy: View Return Policy
Save 13%
$729.99
$839.99
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Kingston KSM56T46BD8KM-48HM Server Premier RAM Module - For Server - 48 GB - DDR5-5600/PC5-44800 DDR5 SDRAM - 56000 MHz Dual-rank Memory - CL46 - 1.10 V - On-die ECC - Unbuffered - 262-pin - SoDIMM -
Kingston KSM56T46BD8KM-48HM Server Premier RAM Module - For Server - 48 GB - DDR5-5600/PC5-44800 DDR5 SDRAM - 56000 MHz Dual-rank Memory - CL46 - 1.10 V - On-die ECC - Unbuffered - 262-pin - SoDIMM -
  • Brand: Kingston
  • Capacity: 48GB
  • Speed: DDR5 5600 (PC5 44800)
  • ECC: Yes
  • Model #: KSM56T46BD8KM-48HM
  • Item #: 0RN-001J-014Y6
  • Return Policy: Manufacturer Only Return Policy
Save 13%
$251.99
$289.99
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SAMSUNG 16GB ECC Registered DDR3 1333 (PC3 10600) Server Memory Model M393B2G70BH0-YH9
SAMSUNG 16GB ECC Registered DDR3 1333 (PC3 10600) Server Memory Model M393B2G70BH0-YH9
  • Chipset: Major Brand Chipset
  • CAS Latency: CL9
  • Voltage: 1.35V
  • Type: 240-Pin DDR3 SDRAM
  • Model #: M393B2G70BH0-YH9
  • Item #: 9SIAMBVK022255
  • Return Policy: View Return Policy
Save 45%
$13.10
$24.18
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Definitely an upgrade from the 10x 1gb sticks I had already!