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Rectangular E1.L enterprise SSD, silver metal casing, 9.5mm thick, gold edge connector visible

Solidigm

Solidigm D7-P5520 SSDPFWKX153T1N1 15.36TB E1.L 9.5mm PCIe 4.0 x4 enterprise SSD

SKU CH-ZCCA-ZDR5C MPN SSDPFWKX153T1N1

15.36TB E1.L 9.5mm PCIe 4.0 x4 enterprise SSD with 144L TLC 3D NAND, 7100 MBps read, 3700 MBps write, 1000000 IOPS random read and 28.0 PBW endurance

  • Form FactorE1.L 9.5mm
  • Capacity15.36TB
  • Memory Components144L TLC 3D NAND
  • InterfacePCI-Express 4.0 x4
  • Max Sequential ReadUp to 7100 MBps
  • Max Sequential WriteUp to 3700 MBps
  • 36TB capacity supports massive datasets
  • 7100 MBps sequential read accelerates data access
  • 1,000,000 IOPS random read handles heavy workloads
  • 0 PBW endurance ensures long service life
  • E1.L 9.5mm form factor fits dense server chassis

Enterprise capacity for dense servers

The Solidigm D7-P5520 delivers 15.36TB in an E1.L 9.5mm module built for PCIe 4.0 x4 backplanes. It targets data-centre operators who need high-capacity flash in a slim, hot-pluggable form factor. The 144L TLC 3D NAND supports mixed read and write workloads typical of cloud storage and database tiers.

Thermals and power in rack use

Active power draw is rated at 20W with an idle state of 5W, so the drive fits standard E1.L thermal budgets without exotic cooling. Operating temperature spans 0°C to 70°C, matching typical inlet conditions in contained aisles. Vibration tolerance reaches 2.17 GRMS operating and 3.13 GRMS non-operating across the specified frequency bands.

Build quality and daily mounting

The 215g unit meets a 1,000 G shock rating at 0.5 msec, helping it survive insertion and transit events. A 2,000,000-hour MTBF and 28.0 PBW endurance rating reflect the write-heavy design point. The E1.L 9.5mm connector enables tool-less, single-slot installation in compatible cages, simplifying capacity expansion.

Highlights

  • 36TB capacity supports massive datasets
  • 7100 MBps sequential read accelerates data access
  • 1,000,000 IOPS random read handles heavy workloads
  • 0 PBW endurance ensures long service life
  • E1.L 9.5mm form factor fits dense server chassis

Specifications

BrandSolidigm
ModelD7-P5520
Part NumberSSDPFWKX153T1N1
Form FactorE1.L 9.5mm
Capacity15.36TB
Memory Components144L TLC 3D NAND
InterfacePCI-Express 4.0 x4
Max Sequential ReadUp to 7100 MBps
Max Sequential WriteUp to 3700 MBps
4KB Random Read1000000 IOPS (4K Blocks)
4KB Random Write200000 IOPS (4K Blocks)
Endurance28.0 PBW
MTBF2,000,000 hours
Power Consumption (Idle)5W
Power Consumption (Active)20W
Operating Temperature0°C ~ +70°C
Max Shock Resistance1,000 G (Max) at 0.5 msec
Max Vibration ResistanceOperating 2.17 GRMS (5 - 700 Hz) Max
Non-Operating 3.13 GRMS (5 - 800 Hz) Max
Weight215g +/- 5g
Shipping weight0.17 kg
Package size140 × 110 × 17 mm

Questions about this item

How do I install the E1.L 9.5mm drive in a PCIe 4.0 x4 server slot, and what step is often missed?

Slide the drive into the hot-plug E1.L bay until the connector seats fully, then secure the retention latch; the step often missed is confirming the latch clicks, otherwise the PCIe 4.0 x4 link will not train.

What maintenance or replacement will the 144L TLC 3D NAND need after heavy use?

The drive has a 28.0 PBW endurance rating; once that write budget is reached the NAND must be replaced, and no field maintenance is required before then.

What limit appears first under sustained write workloads on this 15.36TB drive?

The sequential write ceiling of 3700 MBps is reached before the 20W active power limit or the 70°C thermal ceiling under sustained loads.

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