Seagate
Seagate Cheetah NS ST3400755SSProduct 400 GB 3.5" SAS internal hard drive
- SLC
$23.99
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Solidigm
Solidigm D7-P5520 1.92TB E1.S 9.5mm enterprise SSD SSDPFUKX019T1OS
E1.S 9.5mm enterprise SSD with 1.92TB capacity, PCIe 4.0 x4, 144L TLC 3D NAND, up to 5300 MBps read, 1900 MBps write, 706000 random read IOPS, 114000 random write IOPS, 3.5 PBW endurance.
- Form FactorE1.S 9.5mm
- Capacity1.92TB
- Memory Components144L TLC 3D NAND
- InterfacePCI-Express 4.0
- Max Sequential ReadUp to 5300 MBps
- Max Sequential WriteUp to 1900 MBps
- Enterprise density in a compact E1.S 9.5mm form factor
- PCIe 4.0 x4 delivers up to 5300 MBps sequential read speed
- 706000 IOPS random read handles heavy transaction workloads
- 5 PBW endurance with 2,000,000 hours MTBF for long service life
- Opal encryption and 5W idle power secure data efficiently
Solidigm D7-P5520 1.92TB E1.S drive
The Solidigm D7-P5520 is a 1.92TB enterprise SSD built for data-centre servers. It uses an E1.S 9.5mm form factor and 144L TLC 3D NAND. The drive targets workloads that need high random-read performance and power-loss protection. Buyers needing a 2.5-inch or M.2 form factor should choose a different model.
PCIe 4.0 x4 interface limits
The drive connects through a PCI-Express 4.0 x4 link and reaches up to 5300 MBps sequential read and 1900 MBps sequential write. Random 4K performance is rated at 706000 IOPS read and 114000 IOPS write. A host slot limited to PCIe 3.0 will reduce these throughput figures. Endurance is 3.5 PBW with a 2,000,000-hour MTBF.
Check E1.S cage and power budget
Verify that your chassis accepts E1.S 9.5mm modules and provides the required PCIe 4.0 x4 wiring. Active power draw is 13W and idle power is 5W. The unit weighs 72g +/- 5g and tolerates 1,000 G shock at 0.5 msec plus 2.17 GRMS operating vibration. Opal security is supported for hardware encryption.
Highlights
- Enterprise density in a compact E1.S 9.5mm form factor
- PCIe 4.0 x4 delivers up to 5300 MBps sequential read speed
- 706000 IOPS random read handles heavy transaction workloads
- 5 PBW endurance with 2,000,000 hours MTBF for long service life
- Opal encryption and 5W idle power secure data efficiently
Specifications
| Brand | Solidigm |
|---|---|
| Model | D7-P5520 |
| Part Number | SSDPFUKX019T1OS |
| Form Factor | E1.S 9.5mm |
| Capacity | 1.92TB |
| Memory Components | 144L TLC 3D NAND |
| Interface | PCI-Express 4.0 |
| Max Sequential Read | Up to 5300 MBps |
| Max Sequential Write | Up to 1900 MBps |
| 4KB Random Read | 706000 IOPS (4K Blocks) |
| 4KB Random Write | 114000 IOPS (4K Blocks) |
| Endurance | 3.5 PBW |
| MTBF | 2,000,000 hours |
| Security | Opal |
| Power Consumption (Idle) | 5W |
| Power Consumption (Active) | 13W |
| Max Shock Resistance | 1,000 G (Max) at 0.5 msec |
| Max Vibration Resistance | Operating: 2.17 GRMS (5 - 700 Hz) Max Non-Operating: 3.13 GRMS (5 - 800 Hz) Max |
| Weight | 72g +/- 5g |
| Shipping weight | 0.17 kg |
| Package size | 140 × 110 × 17 mm |
Questions about this item
Should I choose the 1.92TB E1.S 9.5mm model or look for a different capacity in the D7-P5520 range?
The 1.92TB capacity is the specific model listed here. If your workload needs more or less space, other D7-P5520 capacities exist but are not detailed in this listing.
What does the 5300 MBps sequential read figure mean for my server workload?
That is the maximum sequential read speed over PCIe 4.0 x4. Real-world throughput depends on queue depth, block size, CPU and thermal limits in your chassis.
How does the PCIe 4.0 x4 interface cap performance in practice?
PCIe 4.0 x4 provides the electrical lane width for the rated 5300 MBps read and 1900 MBps write. The drive cannot exceed the bandwidth of that link.
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