Best Owc RAM H12ssl Ct Deals of Nov 2026

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

$91 Savings

OWC 256GB Memory RAM Compat with Supermicro Motherboard H12SSL-CT H12SSL-i

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 256GB UPGRADE: Consists of a single 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 H12SSL-CT, H12SSL-i, H12SSL-NT, H12SSW-iNR And H12SSW-NTR.
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
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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
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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
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OWC

OWC 128GB Memory RAM Compat with Supermicro Motherboard H12SSL-CT H12SSL-NT | 128GB PC4-25600 DDR4 3200MHz ECC LRDIMM 4Rx4 CL22 288-pin DIMM, Also Compat with H12SSW-iNR H12SSW-NTR

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 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 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 256GB 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 256GB UPGRADE: Consists of 4pcs 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
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on Amazon.com
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OWC

OWC 512GB Memory RAM Kit Compat with Supermicro Motherboard H12SSL-CT | 512GB (4x128GB) PC4-25600 DDR4 3200MHz ECC LRDIMM 4Rx4 CL22 288-pin DIMM, Also Compat with H12SSL-NT H12SSW-iNR H12SSW-NTR

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 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 Advanced Replacement Program and Limited Lifetime Warranty, which includes Free Tech Support by Other World Computing.
Details & specs
Check Price
on Amazon.com
7
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OWC

$172 Savings

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 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 H12SSL-CT, H12SSL-i, H12SSL-NT, H12SSW-iNR And H12SSW-NTR.
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
8
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OWC

OWC 1TB Memory RAM Kit Compatible with Supermicro Motherboard H12SSL-CT | 1TB (4x256GB) PC4-25600 DDR4 3200MHz ECC Reg 8Rx4 CL22 288-pin DIMM, Also Compatible with H12SSL-i H12SSL-NT H12SSW-iNR

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 H12SSL-CT, H12SSL-i, H12SSL-NT, H12SSW-iNR And H12SSW-NTR.
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
9
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OWC

OWC 1TB Memory RAM Kit Compatible 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 1TB UPGRADE: Consists of 4pcs 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
10
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OWC

OWC 128GB (4x32GB) DDR4 3200MHz Non-ECC DIMM 288-pin Memory RAM | PC4-25600, Non-ECC Unbuffered, 2Rx8, 1.2V, CL22, Compatible with Select Desktops

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Our #1 Pick Today
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OWC

OWC 256GB Memory RAM Compat with Supermicro Motherboard H12SSL-CT H12SSL-i

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 256GB UPGRADE: Consists of a single 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 H12SSL-CT, H12SSL-i, H12SSL-NT, H12SSW-iNR And H12SSW-NTR.
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
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 RAM H12ssl Ct deals are available from: Amazon, starting from $919.04.

The lowest price we found is $919.04 while the highest is $7,569.56. Prices for the best Owc RAM H12ssl Ct deals average at $3,764.60.