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Two green 240-pin DDR3 ECC registered DIMMs with black chips

OWC

OWC 16GB DDR3 1333 CL9 ECC Registered RDIMM 2Rx4 1.5V 240-pin Kit

SKU CH-EXRR-3DVJ8

16 GB DDR3 ECC registered RDIMM kit for Supermicro SuperServer 6016 and 6026 series

  • Total capacity16 GB (2 × 8 GB)
  • Rated speedDDR3 1333 (PC3 10600)
  • CAS latencyCL9
  • Rated voltage1.5 V
  • Buffer typeRegistered
  • Memory rank2Rx4

Capacity 16GB (2 x 8GB)

  • ECC registered design protects data integrity in servers
  • 16 GB kit (2 × 8 GB) expands Supermicro SuperServer capacity
  • DDR3 1333 CL9 at 1.5 V matches JEDEC spec
  • 240-pin 2Rx4 RDIMM fits 6016T, 6016TT, 6016XT, 6026T, 6026TT series
  • Replaces Supermicro MEMDR380L part numbers for direct upgrade

Server ECC Registered Upgrade

This 16GB kit delivers two 8GB DDR3 1333 CL9 registered DIMMs built for Supermicro SuperServer 6016 and 6026 series platforms. ECC and registered signalling protect data integrity in multi-socket workloads. The modules run at 1.5V and fit 240-pin slots without heat spreaders. Desktop boards and unbuffered memory are not compatible.

Thermals Noise and Power Draw

Bare green PCBs rely on chassis airflow; no onboard fans or spreaders add noise. Each module draws standard DDR3 1.5V current under typical server loads. Registered buffering adds negligible latency while stabilising the memory bus across all populated slots.

Replaces Supermicro MEMDR380 Modules

This kit replaces Supermicro part numbers MEMDR380LCL01ER13, MEMDR380LHL01ER13, MEMDR380LHL03ER13, MEMDR380LHV01ER13, MEMDR380LSL02ER13 and MEMDR380LSL06ER13. The upgrade is worth it when expanding capacity beyond factory limits or refreshing ageing sticks that show correctable errors. Builders needing unbuffered DIMMs or non-ECC memory should look elsewhere.

How it compares

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

Price $38.99
Cheaper than about 81% of the 21,161 comparable items (median $397.99).
Total capacity 16 GB (2 × 8 GB)
Lower than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $2.44 per GB
Cheaper than about 92% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameOWC
Part number1R3D32R4016P
Total capacity16 GB (2 × 8 GB)
Product type240-Pin DDR3 ECC RDIMM
Performance
Rated speedDDR3 1333 (PC3 10600)
Memory
CAS latencyCL9
ECC supportYes
Buffer typeRegistered
Memory rank2Rx4
Heat spreaderNo
Power
Rated voltage1.5 V
Compatibility
Compatible systemsSupermicro SuperServer 6016T Series
Supermicro SuperServer 6016TT Series
Supermicro SuperServer 6016XT Series
Supermicro SuperServer 6026T Series
Supermicro SuperServer 6026TT Series

Other versions of this model

5 more in the same range

Questions about this item

How do I install the 2Rx4 ECC Registered RDIMMs in a Supermicro SuperServer 6016T, and what step is often missed?

Power down, open the chassis, align the 240-pin key notch with the slot, press firmly until both latches click, then verify in BIOS that both 8 GB modules are detected at 1333 MHz CL9; the step often missed is confirming the server is configured for registered ECC memory before booting.

What maintenance or replacement will the 16 GB DDR3 1333 kit need over its service life?

No scheduled maintenance is required; if a module fails, replace the faulty 8 GB stick with an identical DDR3 1333 PC3-10600 CL9 2Rx4 1.5 V registered ECC part to keep dual-channel operation intact.

What limit appears first when the 2Rx4 registered DIMMs run sustained workloads in a 6026T series server?

The DDR3 1333 MT/s bandwidth ceiling is reached before thermal throttling, because the modules have no heat spreader and operate at the standard 1.5 V JEDEC voltage.

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