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Black 2.5 inch SATA internal SSD rectangular metal casing

KingSpec

KingSpec P3-4TB 2.5" SATA III 3D NAND 4TB internal SSD

SKU CH-3ARR-47MGC

A 2.5" SATA III internal SSD with 3D NAND flash delivers up to 520 MB/s reads and 500 MB/s writes for faster boots and file transfers

  • Total capacity4 TB
  • Sequential read speedUp to 520 MB/s
  • Sequential write speedUp to 500 MB/s
  • Interface typeSATA III
  • Form factor2.5 in (6.35 cm)
  • Product typeInternal Solid State Drive (SSD)

Model P3-4TB

  • Up to 520 MB/s sequential read accelerates boot and app loading
  • Up to 500 MB/s sequential write speeds large file transfers
  • 65,000 random read IOPS improves multitasking responsiveness
  • 1,920 TBW rating supports heavy daily workloads
  • 41 W idle power extends laptop battery life

4TB SATA III 3D NAND SSD

The KingSpec P3-4TB is a 2.5-inch internal solid-state drive built for consumer laptops and desktops. It uses a SATA III interface and 3D NAND flash to deliver up to 520 MBps sequential read and 500 MBps sequential write speeds. Random performance reaches 65000 IOPS read and 70000 IOPS write for responsive everyday workloads.

Thermals noise and power draw

With no moving parts the drive runs silently and generates minimal heat during typical operation. Idle power consumption is rated at .41W helping to extend battery life in portable systems. The SATA 6Gbps link operates without active cooling so acoustics remain at zero decibels under normal desktop or laptop use.

Build integration and compatibility

The standard 2.5-inch SATA form factor fits most drive bays and caddies in desktops laptops and NAS units. It works with older SATA II controllers at reduced bandwidth and supports NCQ TRIM S.M.A.R.T. wear leveling garbage collection and over-provisioning for sustained performance. A 1920 TBW endurance rating and 1000000 hour MTBF provide long-term reliability for high-capacity storage upgrades.

How it compares

Measured against everything we stock in Internal NVMe & SATA SSDs, at today’s prices. Recalculated every night.

Price $247.99
Pricier than about 62% of the 1,994 comparable items (median $180.49).
Total capacity 4 TB
Higher than about 90% of the 1,368 comparable items (median 1 TB).
Sequential read speed Up to 520 MB/s
Lower than about 90% of the 1,180 comparable items (median 2,400 MB/s).
Price per TB $62.00 per TB
Cheaper than about 95% of the 1,362 comparable items (median $165.50 per TB).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameKingSpec
Product lineP3 Series
Model nameP3-4 TB
Part numberP3-4 TB
Total capacity4 TB
Product typeInternal Solid State Drive (SSD)
Intended useConsumer
Performance
Sequential read speedUp to 520 MB/s
Sequential write speedUp to 500 MB/s
Random read (4K)Up to 65,000 IOPS
Random write (4K)Up to 70,000 IOPS
Storage
NAND flash type3D NAND
Write endurance1920 TB
Connectivity
Connection protocolSATA
Ports & slots
Interface typeSATA III
Power
Idle power draw0.41 W
Active power draw1.85 W
Size & build
Form factor2.5 in (6.35 cm)
Heat sinkWithout HeatSink
Overall height7 mm
Overall width70.0 mm
Product depth100.4 mm
Product weight50g
Environment & compliance
Operating temperature range0 °C to 75 °C
Storage temperature range-20 °C to 75 °C
Operating humidity range5-95%
More details
Mean time between failures1,000,000 h

Other versions of this model

5 more in the same range

Questions about this item

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

Mount the drive in a 2.5" bay, connect the SATA data cable to a SATA III port and the SATA power cable from the PSU, then enable AHCI in BIOS so the drive can use NCQ and TRIM.

What maintenance or replacement will the 4TB 3D NAND SSD need later?

The drive handles wear leveling, garbage collection, over-provisioning and TRIM automatically; no user maintenance is required, and the 1920 TBW rating indicates when the NAND may reach its write endurance limit.

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

The SATA III interface caps sequential write at 500 MBps, so the bus bandwidth becomes the bottleneck before the NAND or controller reaches its own limits.

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