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Solidigm

Solidigm D3-S4520 7.68TB 2.5" SATA enterprise SSD SSDSC2KB076TZ1Z

SKU CH-7SW2-DPG3P MPN SSDSC2KB076TZ1Z

A 2.5" SATA enterprise SSD holding 7.68TB with 144L TLC 3D NAND, rated for 2.6 DWPD endurance and 550 MBps sequential read

  • Total capacity7.68 TB
  • Sequential read speedUp to 550 MB/s
  • Sequential write speedUp to 510 MB/s
  • Interface typeSATA III
  • Form factor2.5 in (6.35 cm)
  • NAND flash type144L TLC 3D NAND
  • High capacity 7.68TB stores massive datasets
  • SATA III interface delivers up to 550 MBps sequential read
  • 144L TLC 3D NAND enables 2.6 DWPD endurance rating
  • 2 million hours MTBF supports continuous data-centre operation
  • Low 1.4W idle power reduces server energy draw

Enterprise capacity for read-heavy workloads

The Solidigm D3-S4520 delivers 7.68TB in a 2.5" SATA form factor built with 144L TLC 3D NAND. It targets data-centre arrays and servers that need high-capacity storage for read-intensive applications. Sequential reads reach up to 550 MBps while writes reach up to 510 MBps. Random performance hits up to 86,000 read IOPS and 30,000 write IOPS.

Low power draw and silent operation

With no moving parts the drive produces zero acoustic noise in normal use. Idle power consumption is 1.4W and active power peaks at 4.3W, keeping thermal output modest inside dense chassis. The operating range spans 0°C to 70°C and the drive tolerates shock up to 1,000 G at 0.5 msec. MTBF is rated at 2,000,000 hours for continuous deployment.

Simple SATA integration for existing infrastructure

The standard SATA III interface slots directly into hot-swap backplanes or cabled bays without adapter cards or PCIe lane planning. A 2.5" drive bay is the only mechanical requirement. Endurance of up to 2.6 DWPD and 36.5 PBW supports sustained mixed workloads, freeing administrators from frequent drive-swap cycles.

How it compares

Measured against everything we stock in Server & Data Center SSDs, at today’s prices. Recalculated every night.

Price $4,774.99
Pricier than about 83% of the 1,039 comparable items (median $992.99).
Total capacity 7.68 TB
Higher than about 80% of the 522 comparable items (median 3.2 TB).
Sequential read speed Up to 550 MB/s
Lower than about 80% of the 311 comparable items (median 6,500 MB/s).
Price per TB $621.74 per TB
Typical for this category: the median of 522 items is $595.64 per TB.

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Specifications

Product
Brand nameSolidigm
Model nameD3-S4520
Part numberSSDSC2KB076TZ1Z
Total capacity7.68 TB
Performance
Sequential read speedUp to 550 MB/s
Sequential write speedUp to 510 MB/s
Random read (4K)Up to 86,000 IOPS
Random write (4K)Up to 30,000 IOPS
Read latency103µs
Write latency57µs
Storage
NAND flash type144L TLC 3D NAND
Write enduranceUp to 2.6 DWPD / Up to 36.5 PBW
Ports & slots
Interface typeSATA III
Power
Idle power draw1.4 W
Active power draw4.3 W
Size & build
Form factor2.5 in (6.35 cm)
Product weight63.2 gms
Shipping weight0.23 kg
Package size140 × 114 × 25 mm
Environment & compliance
Operating temperature range0 °C to 70 °C
Max shock tolerance1,000 G (Max) at 0.5 msec
Vibration toleranceOperating: 2.17 GRMS (5–700 Hz) Max
Non-Operating: 3.13 GRMS (5–800 Hz) Max
More details
Mean time between failures2,000,000 h

Other versions of this model

5 more in the same range

Questions about this item

How do I install this 2.5" SATA drive and what step is often missed?

Mount the 2.5" drive in a compatible bay, connect the SATA data and power cables, then enable AHCI in the BIOS so the drive is recognised at full speed.

What maintenance or replacement will this 7.68TB TLC SSD need over its service life?

The 144L TLC NAND is rated for 2.6 DWPD or 36.5 PBW; once that write budget is consumed the drive must be replaced.

What limit appears first on this SSD during sustained heavy writes?

The sequential write ceiling of 510 MBps is reached before the 30,000 random write IOPS or the 4.3 W active power envelope.

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