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Green 240-pin DDR3 DIMM with black memory chips and silver contacts

SK hynix

SK hynix HMT31GR7CFR4A-H9 8GB DDR3 1333MHz ECC Registered 1.35V 240-Pin server RAM

SKU CH-G5JB-CSBB2 MPN HMT31GR7CFR4A-H9

8GB DDR3 ECC registered DIMM running at 1333MHz with 1.35V low-voltage operation for server workloads

  • ECC protection guards data integrity
  • Registered design supports dense server configurations
  • Low 1.35 V voltage reduces power draw
  • 1333 MHz DDR3 speed meets PC3-10600 spec
  • 2Rx4 8 GB capacity fits 240-pin DIMM slots

8GB DDR3-1333 ECC Registered DIMM

This 8GB DDR3 module runs at 1333MHz with CL9 latency and 1.35V operation. It is built for servers and workstations that require error-correcting, registered memory. The 2Rx4 organisation suits multi-socket platforms. It fits standard 240-pin DDR3 slots.

PC3-10600 bus limits

The PC3-10600 interface caps bandwidth at 10600 MB/s. The 166MHz memory clock and CL9 timing fix latency and throughput. Registered buffering adds one cycle of delay but allows larger memory arrays. Mixing with unbuffered or non-ECC DIMMs will prevent boot.

Keyed 240-pin installation

The DIMM key notch aligns with the slot to prevent incorrect insertion. Press firmly until both side latches click. Common errors include seating the module in a desktop board that rejects registered ECC, or mixing 1.35V and 1.5V kits which forces the higher voltage.

How it compares

Measured against everything we stock in ECC Server RAM, at today’s prices. Recalculated every night.

Price $15.99
Cheaper than about 97% of the 6,523 comparable items (median $188.99).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

No published specifications for this item yet.

Questions about this item

Should I pick the 2Rx4 8GB DDR3 1333MHz ECC Registered 1.35V module or look for a different capacity?

Choose this 8GB 2Rx4 DDR3 1333MHz ECC Registered 1.35V DIMM when your server requires PC3-10600 Registered ECC memory in a 240-pin slot; other capacities or ranks will not match the required configuration.

What does the 1333MHz rating deliver once the stick is installed?

The module runs at 1333MHz DDR3 with CL9 latency, providing PC3-10600 bandwidth for server workloads that require Registered ECC stability at 1.35V.

How does the 240-pin DDR3 Registered interface limit performance?

The 240-pin DDR3 Registered interface operates at 1333MHz (PC3-10600) with CL9 timing, capping throughput to the rated DDR3 bus speed.

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