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Green 240-pin DDR3 ECC registered DIMM with black chips

A-Tech

A-Tech 8GB DDR3 1333 ECC RDIMM 2Rx4 Server Memory for Samsung M393B1K70BH1-CH9

SKU CH-0E23-PQFKF

An 8 GB DDR3 1333 MHz ECC registered DIMM with 2Rx4 organisation and 1.5 V operation for compatible servers

  • Total capacity8 GB
  • Rated speedDDR3 1333 (PC3 10600)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL9
  • Rated voltage1.5 V
  • Buffer typeRegistered
  • ECC protection guards data integrity in servers
  • Registered design stabilises heavy multi-module loads
  • DDR3 1333 MHz speed matches PC3-10600 spec
  • 2Rx4 organisation optimises density for 8 GB capacity
  • 5 V standard voltage keeps power draw predictable

What this memory is

The A-Tech 8GB DDR3 1333 module is a registered ECC DIMM built for server and workstation platforms. It uses major-brand chips in a 2Rx4 organisation and runs at the standard 1.5V DDR3 voltage. The 240-pin form factor fits DDR3 DIMM slots that support registered memory.

How it fits a build

This RDIMM requires a motherboard with registered-memory support and cannot be used in standard desktop boards that accept only unbuffered modules. It replaces Samsung parts including M393B1K70BH1-CH9 and related variants, freeing a slot for an additional 8GB module when the platform allows. Verify your system specifications before purchase.

Behaviour under sustained load

ECC circuitry detects and corrects single-bit errors during continuous operation, protecting data integrity in long-running server workloads. Registered signalling reduces electrical load on the memory controller, helping stability when multiple modules populate the bus. All units are tested to meet the DDR3 1333 PC3-10600 timing at CL9 latency.

How it compares

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

Price $30.99
Cheaper than about 90% of the 6,523 comparable items (median $188.99).
Total capacity 8 GB
Lower than about 80% of the 6,064 comparable items (median 32 GB).
Price per GB $3.87 per GB
Cheaper than about 83% of the 6,064 comparable items (median $7.25 per GB).

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Specifications

Product
Brand nameA-Tech
Total capacity8 GB
Performance
Rated speedDDR3 1333 (PC3 10600)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latencyCL9
ECC supportYes
Buffer typeRegistered
Memory rank2Rx4
Power
Rated voltage1.5 V

Questions about this item

Does the 1.50V DDR3 1333 ECC RDIMM generate noticeable heat or noise when running continuously in a server?

The module operates at standard 1.50V DDR3 voltage with no moving parts, so it produces minimal heat and zero audible noise during sustained 24/7 server workloads.

Will this 240-pin DDR3 ECC RDIMM work in a standard desktop motherboard that only supports unbuffered memory?

No, this is a registered ECC RDIMM requiring a server or workstation platform with registered-memory support; it will not function in consumer desktop boards that accept only unbuffered DIMMs.

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