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Four green DDR3L ECC registered DIMMs in anti-static tray

OWC

OWC 32GB (4x8GB) DDR3L 1600 ECC Registered RDIMM Cisco UCS B260 M4 B460 M4

SKU CH-V6KK-K3MAE

32 GB DDR3L 1600 ECC registered RDIMM kit for Cisco UCS B260 M4 and B460 M4 servers

  • Capacity32GB (4 x 8GB)
  • Type240-Pin DDR3L ECC RDIMM
  • SpeedDDR3L 1600 (PC3L 12800)
  • CAS LatencyCL11
  • Voltage1.35V
  • ECCYes

Capacity 32GB (4 x 8GB)

  • ECC Registered design protects data integrity in server workloads
  • 32GB kit with four 8GB modules scales memory capacity
  • DDR3L 1600 speed at 1.35V lowers power draw
  • 240-pin RDIMM form factor fits Cisco UCS B260 M4 and B460 M4
  • Replaces Cisco part numbers UCSMR1X082RYA UCSMR2X082RYB and UCSMR2X082RYE

Capacity and Form Factor

This kit provides 32GB of DDR3L memory in four 8GB registered DIMMs. Each module uses a 240-pin layout and operates at 1.35V with CL11 latency at 1600MHz. The 2Rx4 organisation and ECC registration target server and workstation platforms that require registered memory.

Intended Platforms and Exclusions

The modules are validated for Cisco UCS B260 M4 and B460 M4 systems running E7 v2 and v3 processors. They will not work in standard desktop computers or any platform that expects unbuffered or load-reduced DIMMs. Buyers needing unbuffered memory or consumer form factors must choose a different product.

Sustained Operation Characteristics

Registered ECC construction detects and corrects single-bit errors during continuous workloads, helping maintain data integrity in multi-socket servers. The low-voltage DDR3L design reduces power draw per module while running at full 1600MHz speed under load. No heat spreader is fitted, so adequate chassis airflow is required for long-term stability.

Highlights

  • ECC Registered design protects data integrity in server workloads
  • 32GB kit with four 8GB modules scales memory capacity
  • DDR3L 1600 speed at 1.35V lowers power draw
  • 240-pin RDIMM form factor fits Cisco UCS B260 M4 and B460 M4
  • Replaces Cisco part numbers UCSMR1X082RYA UCSMR2X082RYB and UCSMR2X082RYE

Specifications

BrandOWC
Part Number1R6T32R4032S
Capacity32GB (4 x 8GB)
Type240-Pin DDR3L ECC RDIMM
SpeedDDR3L 1600 (PC3L 12800)
CAS LatencyCL11
Voltage1.35V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx4
Heat SpreaderNo
Compatible SystemCisco UCS B260 M4 E7 v2 & v3
Cisco UCS B460 M4 E7 v2 & v3

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Questions about this item

What server model must I already own for this 32GB kit to work?

This kit is validated for Cisco UCS B260 M4 E7 v2 & v3 and B460 M4 E7 v2 & v3 servers only.

Can I keep my existing unbuffered DDR3L modules and add these registered DIMMs?

No — registered ECC memory cannot be mixed with unbuffered or load-reduced modules in the same system.

How do I confirm the 1600MHz CL11 modules are running correctly after install?

Check the BIOS memory information screen; it should report DDR3L 1600 PC3L-12800 CL11 1.35V registered ECC for all four slots.

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