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Two green DDR3L 240-pin RDIMM modules in anti-static tray

OWC

OWC 1R6T32R4032P 32GB (2x16GB) DDR3L 1600 ECC RDIMM memory upgrade

SKU CH-5HTP-1K9B6

Dual 16 GB DDR3L 1600 ECC registered RDIMMs at 1.35 V for Supermicro SuperServer 1027 and 2027 series

  • Total capacity32 GB (2 × 16 GB)
  • Rated speedDDR3L 1600 (PC3L 12800)
  • CAS latencyCL11
  • Rated voltage1.35 V
  • Buffer typeRegistered
  • Memory rank2Rx4

Capacity 32GB (2 x 16GB)

  • ECC registered design protects data integrity in servers
  • 32GB kit (2×16GB) expands memory capacity for demanding workloads
  • DDR3L 1600 CL11 at 1.35V reduces power draw versus standard DDR3
  • 240-pin RDIMM fits Supermicro SuperServer 1027 and 2027 series
  • 2Rx4 organisation enables high-density registered performance

Server-specific DDR3L ECC RDIMM upgrade

This kit supplies 32 GB of DDR3L 1600 registered ECC memory in two 16 GB modules built for Supermicro SuperServer 1027 and 2027 series systems. It targets administrators who need to expand capacity in existing workstation or server chassis without replacing the platform.

DDR3L 1600 registered interface limits

The DDR3L standard tops out at 1600 MT/s with a 1.35 V operating voltage, so bandwidth and latency are fixed by the memory controller in these SuperServer boards. Registered signalling adds one cycle of buffering, which stabilises large populations but prevents mixing with unbuffered DIMMs or use in standard desktop platforms.

32 GB capacity in two slots

Two 2Rx4 modules fill a pair of 240-pin slots and deliver 32 GB of error-correcting capacity for virtualization, NAS or database workloads. Headroom ends when the board's maximum supported DIMM count or total memory limit is reached, which varies by specific SuperServer model and is not covered by this kit alone.

How it compares

Measured against everything we stock in Model-Specific Memory Upgrades, at today’s prices. Recalculated every night.

Price $96.99
Cheaper than about 68% of the 21,161 comparable items (median $397.99).
Total capacity 32 GB (2 × 16 GB)
Typical for this category: the median of 20,941 items is 32 GB.
Price per GB $3.03 per GB
Cheaper than about 90% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameOWC
Part number1R6T32R4032P
Total capacity32 GB (2 × 16 GB)
Product type240-Pin DDR3L ECC RDIMM
Performance
Rated speedDDR3L 1600 (PC3L 12800)
Memory
CAS latencyCL11
ECC supportYes
Buffer typeRegistered
Memory rank2Rx4
Heat spreaderNo
Power
Rated voltage1.35 V
Compatibility
Compatible systemsSupermicro SuperServer 1027B Series
Supermicro SuperServer 1027GR Series
Supermicro SuperServer 1027R Series
Supermicro SuperServer 1027TR Series
Supermicro SuperServer 2027GR Series

Other versions of this model

5 more in the same range

Questions about this item

Should I choose the 32GB kit or buy a single 16GB module instead?

The kit contains two matched 16GB modules for 32GB total; using the pair enables dual-channel operation on supported Supermicro SuperServer platforms.

What does the PC3L-12800 rating mean for actual throughput in my server?

PC3L-12800 indicates a peak transfer rate of 12800 MB/s at 1600 MT/s; real-world bandwidth depends on the memory controller and channel population.

Will the 240-pin DDR3L 1.35V registered ECC modules work in a standard desktop board?

No — these are registered ECC DIMMs designed for Supermicro SuperServer 1027 and 2027 series; they are not compatible with unbuffered desktop memory slots.

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