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Green rectangular circuit board with 240 gold contacts and black memory chips

A-Tech

A-Tech 16GB DDR3L 1333 ECC RDIMM 4Rx4 1.35V 240-pin server RAM

SKU CH-87M1-WAPBF

16 GB DDR3L 1333 ECC registered DIMM with 4Rx4 organisation and 1.35 V low voltage for HP 627818-421 servers

  • Capacity16GB
  • SpeedDDR3L 1333 (PC3L 10600)
  • CAS LatencyCL9
  • Voltage1.35V
  • ECCYes
  • Buffered/RegisteredRegistered
  • 16GB DDR3L ECC RDIMM for server reliability
  • 1333MHz CL9 speed for responsive workloads
  • 35V low voltage reduces power draw
  • 4Rx4 registered design supports high density
  • Direct replacement for HP 627818-421

16GB DDR3L ECC RDIMM for servers

This 16GB DDR3L module runs at 1333MHz with CL9 latency and 1.35V low voltage. It uses a 240-pin registered DIMM layout with 4Rx4 organisation and ECC for error correction. The stick is built with major-brand chips and tested for server and workstation reliability. It serves as a direct replacement for the HP 627818-421 part number.

DDR3L 1333MHz registered memory constraints

DDR3L tops out at 1333MHz in this configuration and requires a platform that accepts registered ECC DIMMs at 1.35V. The 4Rx4 density limits how many modules a memory controller can address per channel. Mixing registered and unbuffered DIMMs is not supported. Systems limited to 1.5V standard DDR3 may not recognise the lower voltage modules.

Upgrade from smaller or non-ECC DDR3 modules

Replacing 4GB or 8GB DDR3 sticks with this 16GB module quadruples capacity per slot while adding ECC protection. The jump is worth it when workloads exceed current memory headroom or when data integrity becomes a requirement. It does not suit platforms that only accept unbuffered non-ECC memory or that cap DIMM size below 16GB.

Points forts

  • 16GB DDR3L ECC RDIMM for server reliability
  • 1333MHz CL9 speed for responsive workloads
  • 35V low voltage reduces power draw
  • 4Rx4 registered design supports high density
  • Direct replacement for HP 627818-421

Caractéristiques

BrandA-Tech
Capacity16GB
SpeedDDR3L 1333 (PC3L 10600)
CAS LatencyCL9
Voltage1.35V
ECCYes
Buffered/RegisteredRegistered
Rank4Rx4
ChipsetMajor Brand Chipset
FeaturesMajor Brand Chips

Questions sur cet article

Should I pick a single 16GB module or two 8GB modules for my server?

This listing is a single 16GB DDR3L 1333 ECC RDIMM module (1x 16GB). If your system has free 240-pin slots and supports 16GB per rank, one module works; otherwise match your platform's supported configuration.

What does DDR3L 1333 (PC3L 10600) mean for actual throughput in my machine?

The module transfers data at 1333 MT/s with CL9 timing at 1.35V. Real-world bandwidth depends on your server's memory controller and how many channels it populates.

Will this 240-pin DDR3L ECC RDIMM work in a standard DDR3 desktop board?

No. This is a registered (RDIMM) 4Rx4 module with ECC, designed for server chipsets that support registered memory. Desktop boards typically require unbuffered non-ECC DIMMs and will not post with this module.

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