Best Owc H12dsg O CPU Memory Kit Deals of Nov 2026

Updated November 10, 2026Our site contains affiliate links for which we may be compensated.
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OWC

OWC 256GB Memory RAM Kit Compat with Supermicro Motherboard H12DSG-O-CPU

ECC LOAD REDUCED UPGRADE: This type of memory is used in Workstations and Servers. It will NOT be compatible with standard desktop computers. Also, it cannot be mixed with UNBUFFERED -or- ECC REGISTERED memory.
OWC 256GB UPGRADE: Consists of 2pcs of 128GB DDR4 3200 PC4-25600 CL22 4Rx4 288-pin 1.2V ECC Load Reduced DIMM Memory RAM Module Upgrade compatible with Supermicro Motherboard models H12DSG-O-CPU, H12DST-B, H12DSU-iN, H12SSL-C And H12SSL-i.
100% COMPLIANT: JEDEC-Standard and ROHS Compliant. Warranty-Safe Upgrade. Designed and Tested to Meet or Exceed all Manufacturer OEM Specs.
MAXIMIZE YOUR SERVER: With OWC's ECC Load-Reduced Server Memory, you will extend the life of your old infrastructure or save money when building a new one.
INDUSTRY LEADING: Consumer-friendly Advanced Replacement Program and Limited Lifetime Warranty, which includes Free Tech Support by Other World Computing.
Details & specs
Check Price
on Amazon.com
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OWC

OWC 512GB Memory RAM Kit Compat with Supermicro Motherboard H12DSG-O-CPU

ECC LOAD REDUCED UPGRADE: This type of memory is used in Workstations and Servers. It will NOT be compatible with standard desktop computers. Also, it cannot be mixed with UNBUFFERED -or- ECC REGISTERED memory.
OWC 512GB UPGRADE: Consists of 4pcs of 128GB DDR4 3200 PC4-25600 CL22 4Rx4 288-pin 1.2V ECC Load Reduced DIMM Memory RAM Module Upgrade compatible with Supermicro Motherboard models H12DSG-O-CPU, H12DST-B, H12DSU-iN, H12SSL-C And H12SSL-i.
100% COMPLIANT: JEDEC-Standard and ROHS Compliant. Warranty-Safe Upgrade. Designed and Tested to Meet or Exceed all Manufacturer OEM Specs.
MAXIMIZE YOUR SERVER: With OWC's ECC Load-Reduced Server Memory, you will extend the life of your old infrastructure or save money when building a new one.
INDUSTRY LEADING: Consumer-friendly Advanced Replacement Program and Limited Lifetime Warranty, which includes Free Tech Support by Other World Computing.
Details & specs
Check Price
on Amazon.com
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OWC

OWC 512GB Memory RAM Kit Compat with Supermicro Motherboard H12DSG-O-CPU

ECC LOAD REDUCED UPGRADE: This type of memory is used in Workstations and Servers. It will NOT be compatible with standard desktop computers. Also, it cannot be mixed with UNBUFFERED -or- ECC REGISTERED memory.
OWC 512GB UPGRADE: Consists of 2pcs of 256GB DDR4 3200 PC4-25600 CL22 8Rx4 288-pin 1.2V ECC Load Reduced DIMM Memory RAM Module Upgrade compatible with Supermicro Motherboard models H12DSG-O-CPU, H12DST-B, H12DSU-iN, H12SSL-C And H12SSL-i.
100% COMPLIANT: JEDEC-Standard and ROHS Compliant. Warranty-Safe Upgrade. Designed and Tested to Meet or Exceed all Manufacturer OEM Specs.
MAXIMIZE YOUR SERVER: With OWC's ECC Load-Reduced Server Memory, you will extend the life of your old infrastructure or save money when building a new one.
INDUSTRY LEADING: Consumer-friendly 1 Year Advanced Replacement Warranty, which includes Free Tech Support by Other World Computing.
Details & specs
Check Price
on Amazon.com
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OWC

OWC 2TB Memory RAM Kit Compat with Supermicro Motherboard H12DSG-O-CPU | 2TB (8x256GB) PC4-25600 DDR4 3200MHz ECC LRDIMM 8Rx4 CL22 288-pin DIMM, Also Compat with H12DST-B H12DSU-iN H12SSL-C H12SSL-i

ECC LOAD REDUCED UPGRADE: This type of memory is used in Workstations and Servers. It will NOT be compatible with standard desktop computers. Also, it cannot be mixed with UNBUFFERED -or- ECC REGISTERED memory.
OWC 2TB UPGRADE: Consists of 8pcs of 256GB DDR4 3200 PC4-25600 CL22 8Rx4 288-pin 1.2V ECC Load Reduced DIMM Memory RAM Module Upgrade compatible with Supermicro Motherboard models H12DSG-O-CPU, H12DST-B, H12DSU-iN, H12SSL-C And H12SSL-i.
100% COMPLIANT: JEDEC-Standard and ROHS Compliant. Warranty-Safe Upgrade. Designed and Tested to Meet or Exceed all Manufacturer OEM Specs.
MAXIMIZE YOUR SERVER: With OWC's ECC Load-Reduced Server Memory, you will extend the life of your old infrastructure or save money when building a new one.
INDUSTRY LEADING: Consumer-friendly 1 Year Advanced Replacement Warranty, which includes Free Tech Support by Other World Computing.
Details & specs
Check Price
on Amazon.com
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OWC

OWC 1TB Memory RAM Kit Compat with Supermicro Motherboard H12DSG-O-CPU

ECC LOAD REDUCED UPGRADE: This type of memory is used in Workstations and Servers. It will NOT be compatible with standard desktop computers. Also, it cannot be mixed with UNBUFFERED -or- ECC REGISTERED memory.
OWC 1TB UPGRADE: Consists of 8pcs of 128GB DDR4 3200 PC4-25600 CL22 4Rx4 288-pin 1.2V ECC Load Reduced DIMM Memory RAM Module Upgrade compatible with Supermicro Motherboard models H12DSG-O-CPU, H12DST-B, H12DSU-iN, H12SSL-C And H12SSL-i.
100% COMPLIANT: JEDEC-Standard and ROHS Compliant. Warranty-Safe Upgrade. Designed and Tested to Meet or Exceed all Manufacturer OEM Specs.
MAXIMIZE YOUR SERVER: With OWC's ECC Load-Reduced Server Memory, you will extend the life of your old infrastructure or save money when building a new one.
INDUSTRY LEADING: Consumer-friendly Advanced Replacement Program and Limited Lifetime Warranty, which includes Free Tech Support by Other World Computing.
Details & specs
Check Price
on Amazon.com
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OWC

OWC 128GB Memory RAM Compatible with Supermicro Motherboard H12DSG-O-CPU

ECC LOAD REDUCED UPGRADE: This type of memory is used in Workstations and Servers. It will NOT be compatible with standard desktop computers. Also, it cannot be mixed with UNBUFFERED -or- ECC REGISTERED memory.
OWC 128GB UPGRADE: Consists of a single 128GB DDR4 3200 PC4-25600 CL22 4Rx4 288-pin 1.2V ECC Load Reduced DIMM Memory RAM Module Upgrade compatible with Supermicro Motherboard models H12DSG-O-CPU, H12DST-B, H12DSU-iN, H12SSL-C And H12SSL-i.
100% COMPLIANT: JEDEC-Standard and ROHS Compliant. Warranty-Safe Upgrade. Designed and Tested to Meet or Exceed all Manufacturer OEM Specs.
MAXIMIZE YOUR SERVER: With OWC's ECC Load-Reduced Server Memory, you will extend the life of your old infrastructure or save money when building a new one.
INDUSTRY LEADING: Consumer-friendly Advanced Replacement Program and Limited Lifetime Warranty, which includes Free Tech Support by Other World Computing.
Details & specs
Check Price
on Amazon.com
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OWC

$172 Savings

OWC 512GB Memory RAM Kit Compatible with Supermicro Motherboard H11DSi-NT

ECC REGISTERED UPGRADE: This type of memory is used in Workstations and Servers. It will NOT be compatible with standard desktop computers. Also, it cannot be mixed with UNBUFFERED -or- ECC LOAD REDUCED memory.
OWC 512GB UPGRADE: Consists of 2pcs of 256GB DDR4 3200 PC4-25600 CL22 8Rx4 Octal-Rank 288-pin 1.2V ECC Registered DIMM Memory RAM Module Upgrade compatible with Supermicro Motherboard models H12DSG-O-CPU, H12DST-B, H12DSU-iN, H11DSI-NT And H11DST-B.
Compatible with Samsung M393ABG40M52-CAE, Hynix HMAT14JXSRB120N and HMAT14JXSRB122N, and Supermicro MEM-DR425MI-ER32
MAXIMIZE YOUR SERVER: With OWC's ECC Registered Server Memory, you will extend the life of your old infrastructure or save money when building a new one.
INDUSTRY LEADING: Consumer-friendly 1 Year Advanced Replacement Warranty, which includes Free Tech Support by Other World Computing.
Details & specs
Check Price
on Amazon.com
Also available at
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OWC

OWC 1TB Memory RAM Kit Compatible with Supermicro Motherboard H11DSi-NT

ECC REGISTERED UPGRADE: This type of memory is used in Workstations and Servers. It will NOT be compatible with standard desktop computers. Also, it cannot be mixed with UNBUFFERED -or- ECC LOAD REDUCED memory.
OWC 1TB UPGRADE: Consists of 4pcs of 256GB DDR4 3200 PC4-25600 CL22 8Rx4 Octal-Rank 288-pin 1.2V ECC Registered DIMM Memory RAM Module Upgrade compatible with Supermicro Motherboard models H12DSG-O-CPU, H12DST-B, H12DSU-iN, H11DSI-NT And H11DST-B.
Compatible with Samsung M393ABG40M52-CAE, Hynix HMAT14JXSRB120N and HMAT14JXSRB122N, and Supermicro MEM-DR425MI-ER32
MAXIMIZE YOUR SERVER: With OWC's ECC Registered Server Memory, you will extend the life of your old infrastructure or save money when building a new one.
INDUSTRY LEADING: Consumer-friendly 1 Year Advanced Replacement Warranty, which includes Free Tech Support by Other World Computing.
Details & specs
Check Price
on Amazon.com
Also available at
eBay See New
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OWC

OWC 512GB Memory RAM Kit Compatible with Supermicro Motherboard H12SSL-CT

ECC REGISTERED UPGRADE: This type of memory is used in Workstations and Servers. It will NOT be compatible with standard desktop computers. Also, it cannot be mixed with UNBUFFERED -or- ECC LOAD REDUCED memory.
OWC 512GB UPGRADE: Consists of 8pcs of 64GB DDR4 3200 PC4-25600 CL22 2Rx4 288-pin 1.2V ECC Registered DIMM Memory RAM Module Upgrade compatible with Supermicro Motherboard models H12SSL-CT, H12SSL-NT, H12SSW-iNR And H12SSW-NTR.
INDUSTRY LEADING: Consumer-friendly Advanced Replacement Program and Limited Lifetime Warranty, which includes Free Tech Support by Other World Computing.
MAXIMIZE YOUR SERVER: With OWC's ECC Registered Server Memory, you will extend the life of your old infrastructure or save money when building a new one.
Replacement for Supermicro part numbers MEM‐DR464L‐CL02‐ER32 MEM‐DR464L‐CL03‐ER32 MEM-DR464L-CL05-ER32 MEM‐DR464L‐HL02‐ER32 MEM‐DR464L‐HL03‐ER32 MEM‐DR464L‐SL01‐ER32 MEM‐DR464L‐SL02‐ER32 MEM‐DR464MC‐ER32.
Details & specs
Check Price
on Amazon.com
Also available at
eBay See New
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OWC

OWC 512GB Memory RAM Kit Compat with Supermicro Motherboard H12SSL-CT

ECC LOAD REDUCED UPGRADE: This type of memory is used in Workstations and Servers. It will NOT be compatible with standard desktop computers. Also, it cannot be mixed with UNBUFFERED -or- ECC REGISTERED memory.
OWC 512GB UPGRADE: Consists of 2pcs of 256GB DDR4 3200 PC4-25600 CL22 8Rx4 288-pin 1.2V ECC Load Reduced DIMM Memory RAM Module Upgrade compatible with Supermicro Motherboard models H12SSL-CT, H12SSL-NT, H12SSW-iNR And H12SSW-NTR.
100% COMPLIANT: JEDEC-Standard and ROHS Compliant. Warranty-Safe Upgrade. Designed and Tested to Meet or Exceed all Manufacturer OEM Specs.
MAXIMIZE YOUR SERVER: With OWC's ECC Load-Reduced Server Memory, you will extend the life of your old infrastructure or save money when building a new one.
INDUSTRY LEADING: Consumer-friendly 1 Year Advanced Replacement Warranty, which includes Free Tech Support by Other World Computing.
Details & specs
Check Price
on Amazon.com
Also available at
eBay See New
Our #1 Pick Today
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OWC

OWC 256GB Memory RAM Kit Compat with Supermicro Motherboard H12DSG-O-CPU

ECC LOAD REDUCED UPGRADE: This type of memory is used in Workstations and Servers. It will NOT be compatible with standard desktop computers. Also, it cannot be mixed with UNBUFFERED -or- ECC REGISTERED memory.
OWC 256GB UPGRADE: Consists of 2pcs of 128GB DDR4 3200 PC4-25600 CL22 4Rx4 288-pin 1.2V ECC Load Reduced DIMM Memory RAM Module Upgrade compatible with Supermicro Motherboard models H12DSG-O-CPU, H12DST-B, H12DSU-iN, H12SSL-C And H12SSL-i.
100% COMPLIANT: JEDEC-Standard and ROHS Compliant. Warranty-Safe Upgrade. Designed and Tested to Meet or Exceed all Manufacturer OEM Specs.
MAXIMIZE YOUR SERVER: With OWC's ECC Load-Reduced Server Memory, you will extend the life of your old infrastructure or save money when building a new one.
INDUSTRY LEADING: Consumer-friendly Advanced Replacement Program and Limited Lifetime Warranty, which includes Free Tech Support by Other World Computing.
Details & specs
Check Price
on Amazon.com
Disclaimer: While we make every effort to ensure accuracy, we cannot guarantee that all product specifications, pricing, discounts, and details are complete or error-free. Because information is subject to change, we recommend verifying all details directly with the retailer prior to making a purchase. As an Amazon Associate, we earn from qualifying purchases.

10 Owc H12dsg O CPU Memory Kit deals are available from: Amazon, starting from $1,039.99.

The lowest price we found is $1,039.99 while the highest is $15,123.92. Prices for the best Owc H12dsg O CPU Memory Kit deals average at $5,421.13.