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Green rectangular DDR4 RDIMM module with black memory chips and gold edge connectors

Supermicro

Supermicro MEM-DR412L-SL01-ER32 128GB DDR4 3200 ECC Registered server RAM

SKU CH-FTNB-CFZH2 MPN MEM-DR412L-SL01-ER32

128 GB DDR4-3200 ECC registered RDIMM for Supermicro UP and DP servers

  • Capacity128GB
  • Type288-PIN DDR4 RDIMM
  • SpeedDDR4 3200 (PC4 25600)
  • CAS LatencyCL22
  • Voltage1.20V
  • ECCYes

Capacity 128GB

Rank 2Rx4

  • 128 GB capacity supports large virtualised workloads
  • ECC registered design detects and corrects single-bit errors
  • DDR4 3200 speed delivers 25600 MB/s bandwidth
  • 20 V operation reduces server power draw
  • Validated for Supermicro UP and DP server platforms

Server DDR4 module for certified Supermicro systems

The Supermicro MEM-DR412L-SL01-ER32 is a 128GB DDR4 3200 ECC registered DIMM built for Supermicro UP and DP server platforms. It targets administrators expanding memory in listed SSG-520P, SSG-540P, SSG-620P or SSG-640P chassis where vendor qualification is required.

Registered ECC with 3DS stacking

The single specification that decides fit is the registered ECC 3DS RDIMM interface combined with the exact Samsung M393AAG40M32-CAE part number. Only systems validated for this module’s rank structure and SPD profile will initialise it correctly.

128GB per slot at 3200 MT/s

Each module delivers 128GB at DDR4 3200 (PC4-25600) CL22 1.20V, using 2Rx4 3DS organisation. Capacity scales with the number of populated slots on the qualified platform; headroom ends when the server’s maximum DIMM count or memory-controller limit is reached.

Highlights

  • 128 GB capacity supports large virtualised workloads
  • ECC registered design detects and corrects single-bit errors
  • DDR4 3200 speed delivers 25600 MB/s bandwidth
  • 20 V operation reduces server power draw
  • Validated for Supermicro UP and DP server platforms

Specifications

BrandSuperMicro
ModelMEM-DR412L-SL01-ER32
Part NumberM393AAG40M32-CAE
Capacity128GB
Type288-PIN DDR4 RDIMM
SpeedDDR4 3200 (PC4 25600)
CAS LatencyCL22
Voltage1.20V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx4
FeaturesCompatible with:
UP SERVER - SSG-520P-ACTR12H, SSG-520P-ACTR12L, SSG-540P-E1CTR36H, SSG-540P-E1CTR36H, SSG-540P-E1CTR36L
DP Server - SSG-620P-ACR12H, SSG-620P-ACR12L, SSG-640P-E1CR24H, SSG-640P-E1CR24L, SSG-640P-E1CR36H, SSG-640P-E1CR36L
Shipping weight0.09 kg
Package size229 × 165 × 41 mm

Other versions of this model

2 more in the same range

Same family, different memory, cooler or clock — compare before you commit.

Questions about this item

What does the 3200 MT/s speed mean once the module is installed in a server?

The module runs at 3200 MT/s when the memory controller and BIOS support that data rate; otherwise it operates at the highest speed the platform allows.

How does the PC4-25600 designation limit real-world bandwidth?

PC4-25600 is the JEDEC name for DDR4-3200; peak bandwidth per module reaches 25600 MB/s only when the controller runs the full data rate on a populated channel.

What physical slot and clearance does this 288-pin RDIMM require?

It fits a standard 288-pin DDR4 DIMM socket; the registered design adds a buffer chip, so verify the motherboard supports registered ECC modules before installation.

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