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Green 240-pin DDR3L UDIMM module with black chips and gold contacts

A-Tech

A-Tech 4GB DDR3L 1333 ECC UDIMM 2Rx8 Server RAM

SKU CH-ABXH-QBDST

4GB DDR3L 1333 ECC UDIMM module with 2Rx8 rank and 1.35V low voltage for server upgrades

  • Capacity4GB
  • SpeedDDR3L 1333 (PC3L 10600)
  • CAS LatencyCL9
  • Voltage1.35V
  • ECCYes
  • Buffered/RegisteredUnbuffered
  • ECC protection guards data integrity in servers
  • 35 V DDR3L cuts power draw versus standard DDR3
  • 1333 MHz PC3L-10600 speed matches HP 619488-B21 spec
  • 240-pin UDIMM fits unbuffered server slots directly
  • 2Rx8 rank layout supports dense 4 GB capacity

4GB DDR3L 1333 ECC UDIMM Module

This 4GB DDR3L 1333 ECC UDIMM module adds 4GB of low-voltage registered-free memory to compatible servers and workstations. It runs at 1.35V with CL9 latency and uses a 2Rx8 organisation on a 240-pin DIMM. The part is built with major-brand chips and tested for dependable operation in ECC environments.

HP 619488-B21 647657-071 647907-B21 Replacement

This module replaces HP part numbers 619488-B21, 647657-071, 647907-B21, 647907-B212, 647907-S21, 664695-001 and NL797AA. The upgrade is worth it when a system requires ECC UDIMM DDR3L at 1333MHz and the existing slots support 1.35V unbuffered DIMMs. Verify the platform memory specification before ordering.

Single 240-Pin DIMM for DDR3L Slots

The single 240-pin DIMM fits DDR3L UDIMM slots that accept 1.35V ECC modules. It frees remaining slots for additional capacity while keeping the memory bus at PC3L-10600 speed. Systems needing higher density per slot or registered DIMMs cannot use this module.

Points forts

  • ECC protection guards data integrity in servers
  • 35 V DDR3L cuts power draw versus standard DDR3
  • 1333 MHz PC3L-10600 speed matches HP 619488-B21 spec
  • 240-pin UDIMM fits unbuffered server slots directly
  • 2Rx8 rank layout supports dense 4 GB capacity

Caractéristiques

BrandA-Tech
Capacity4GB
SpeedDDR3L 1333 (PC3L 10600)
CAS LatencyCL9
Voltage1.35V
ECCYes
Buffered/RegisteredUnbuffered
Rank2Rx8
ChipsetMajor Brand Chipset
FeaturesMajor Brand Chips

Questions sur cet article

Will this 240-pin DDR3L UDIMM fit the DIMM slots on my HP ProLiant server?

The module uses the standard 240-pin DDR3 DIMM form factor and matches the HP part numbers 619488-B21, 647657-071, 647907-B21, 647907-B212, 647907-S21, 664695-001 and NL797AA, so it will seat in the same slots.

What is the correct way to seat this ECC UDIMM and what step do people often miss?

Power off the server, open the chassis, align the notch on the 240-pin edge connector with the slot key, press firmly until both retention clips click, then verify in BIOS that the 4 GB module is detected at 1333 MHz with ECC enabled.

When should I plan to replace this 1.35 V DDR3L module?

Replace it if a memory diagnostic reports uncorrectable ECC errors, if the system fails to POST with the module installed, or when you upgrade to a platform that no longer supports DDR3L memory.

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