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Western Digital

Western Digital 0TS2459 Ultrastar DC SN655 U.3 7.68 TB internal SSD

SKU CH-CX9A-38P45 MPN 0TS2459

High-capacity 7.68 TB NVMe SSD with PCIe 4.0 and DRAM cache for enterprise servers

  • Device TypeComputer Accessories
  • CacheDRAM
  • Height0.320
  • Width4.200
  • Weight0.3527
  • Massive 7.68 TB capacity stores huge datasets
  • PCIe 4.0 NVMe interface delivers fast data transfer
  • DRAM cache accelerates read and write operations
  • Slim 0.320 in height fits dense server bays
  • Light 0.3527 lb weight eases rack installation

Western Digital Ultrastar DC SN655 U.3 7.68 TB

This internal solid-state drive targets enterprise servers and data-centre storage arrays that demand high-capacity flash storage. It fits 2.5-inch U.3 bays and connects through a PCI Express 4.0 interface for direct CPU attachment.

PCI Express 4.0 NVMe interface

The drive communicates over four lanes of PCIe 4.0 using the NVMe protocol, which determines whether the host system can saturate its throughput. Compatibility requires a backplane or adapter wired for U.3 signalling with PCIe 4.0 support.

Sustained write behaviour with DRAM cache

An onboard DRAM cache absorbs incoming write bursts and maintains consistent latency during extended sequential workloads. TLC 3D NAND delivers steady endurance for mixed read-write duty cycles typical of database and virtualisation tiers.

Points forts

  • Massive 7.68 TB capacity stores huge datasets
  • PCIe 4.0 NVMe interface delivers fast data transfer
  • DRAM cache accelerates read and write operations
  • Slim 0.320 in height fits dense server bays
  • Light 0.3527 lb weight eases rack installation

Caractéristiques

BrandWestern Digital
Model0TS2459
Device TypeComputer Accessories
CacheDRAM
Height0.320
Width4.200
Weight0.3527
Poids d’expédition0.16 kg
Dimensions du colis107 × 76 × 8 mm

Questions sur cet article

Does this drive fit a standard U.3 backplane?

The drive follows the U.3 form factor with a height of 0.320 inches and width of 4.200 inches, matching the common 2.5 inch enterprise backplane dimensions.

What cache technology does the SSD use?

It includes a DRAM cache to accelerate metadata handling and sustain write performance under heavy workloads.

Which host interface does the drive require?

It connects through a PCI Express 4.0 link using the NVMe protocol, so the system must provide a U.3 or U.2 slot wired for PCIe 4.0.

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