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Green circuit board with black memory chips on both sides and gold edge connectors

SAMSUNG

SAMSUNG M391B5273DH0-CH9 4GB DDR3 1333 ECC Unbuffered 240-Pin memory upgrade

SKU CH-07ZP-ZNDHP MPN M391B5273DH0-CH9

4GB DDR3 1333 ECC unbuffered module with CL9 latency and 1.50V operation

  • Capacity4GB
  • Type240-Pin DDR3 SDRAM
  • SpeedDDR3 1333
  • CAS LatencyCL9
  • Voltage1.50V
  • ECCYes
  • ECC protection guards data integrity with DDR3 1333
  • 4 GB capacity adds responsive multitasking headroom
  • CL9 latency at 1.50 V keeps timing tight
  • Unbuffered 240-pin design fits standard DDR3 slots
  • 2Rx8 rank layout doubles chip density per module

Samsung 4GB DDR3 1333 ECC Unbuffered DIMM

This Samsung M391B5273DH0-CH9 module provides 4GB of DDR3 1333 system specific memory. It operates at 1.50V with a CAS Latency of CL9 and uses a 240-pin form factor. The stick features ECC error correction and an unbuffered design for compatible server or workstation platforms.

Suited for DDR3 servers needing ECC integrity

This module fits systems that require 240-pin DDR3 SDRAM with ECC unbuffered operation at 1333 MT/s. It is not for platforms limited to non-ECC memory or those requiring registered DIMMs. Builders needing higher density per slot or a different voltage should verify their hardware specifications first.

240-pin DDR3 1333 ECC unbuffered interface

The decisive specification is the 240-pin DDR3 1333 ECC unbuffered interface. Only motherboards supporting this exact combination of pin count, generation, speed and error correction will accept the module. Confirm the memory controller and slot type before purchase.

商品特色

  • ECC protection guards data integrity with DDR3 1333
  • 4 GB capacity adds responsive multitasking headroom
  • CL9 latency at 1.50 V keeps timing tight
  • Unbuffered 240-pin design fits standard DDR3 slots
  • 2Rx8 rank layout doubles chip density per module

商品規格

BrandSAMSUNG
ModelM391B5273DH0-CH9
Capacity4GB
Type240-Pin DDR3 SDRAM
SpeedDDR3 1333
CAS LatencyCL9
Voltage1.50V
ECCYes
Buffered/RegisteredUnbuffered
Rank2Rx8
ChipsetMajor Brand Chipset
Features240-Pin DDR3 ECC Unbuffered module
2 Rank Double-sided module
100% Tested
RoHS Compliant

商品問答

How do I install this 240-Pin DDR3 module and which step is often missed?

Align the notch on the module with the key in the 240-Pin DDR3 slot, press firmly until both retention clips click into place, and verify the system recognises the full 4GB capacity at DDR3 1333 speed.

What maintenance or replacement will this memory need over time?

No scheduled maintenance is required for this DDR3 ECC Unbuffered module; replacement is only necessary if a memory test reports correctable errors that exceed the ECC correction capability.

What limit appears first when this module runs under sustained load?

The 1.50V operating voltage and CL9 latency define the thermal and timing envelope; sustained loads are constrained by the DDR3 1333 data rate and the 2Rx8 rank organisation.

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