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Green circuit board M.2 2280 SSD with black controller and silver label

Kingston Technology Corp.

Kingston Technology Corp. SNV3S/4000G 4TB M.2 2280 PCIe 4.0 NVMe internal SSD

SKU CH-1BA2-BJ842 MPN SNV3S/4000G

A 4TB M.2 2280 PCIe 4.0 NVMe internal SSD delivering up to 6000 MBps read and 5000 MBps write speeds with a DRAM-less design and 2,000,000 hours MTBF

  • Total capacity4 TB
  • Sequential read speedUp to 6,000 MB/s
  • Sequential write speedUp to 5,000 MB/s
  • Interface typePCI-Express 4.0 x4
  • Form factorM.2 2280
  • Product typeInternal Solid State Drive (SSD)
  • Up to 6000 MBps sequential read speeds from a Gen 4x4 NVMe controller
  • Up to 5000 MBps sequential write speeds for fast data transfers
  • 4TB capacity in a single-sided M.2 2280 form factor
  • Lower power consumption and reduced heat with DRAM-less HMB design
  • 2,000,000 hours MTBF for long-term reliability

Capacity and interface

The SNV3S/4000G is a 4TB internal solid-state drive built to the M.2 2280 form factor and the PCI-Express 4.0 x4 interface. It uses the NVMe protocol and a controller that supports Host Memory Buffer operation instead of a dedicated DRAM cache. The drive is aimed at consumer desktops and laptops that need a single large volume for applications, media libraries and game installs.

Sustained workload behaviour

Under continuous load the Gen 4x4 controller maintains throughput close to the rated 6000 MBps read and 5000 MBps write figures while drawing less power than earlier designs. Lower heat output keeps the drive within its 0 to 70 °C operating window without requiring active cooling. The 2000000 hour MTBF rating reflects the endurance expected from typical daily write cycles.

Deciding specification

The single figure that determines fit is the 4TB capacity delivered through a PCI-Express 4.0 x4 NVMe link. A system must provide an M.2 slot wired for four lanes of Gen 4 signalling to reach the advertised speeds. If the slot is limited to Gen 3 or two lanes the drive will still function but sequential transfers will fall well short of 6000 MBps.

How it compares

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

Price $537.99
Pricier than about 81% 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 6,000 MB/s
Higher than about 75% of the 1,180 comparable items (median 2,400 MB/s).
Price per TB $134.50 per TB
Cheaper than about 65% of the 1,362 comparable items (median $165.50 per TB).

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Specifications

Product
Brand nameKingston
Product lineSNV3S
Model nameSNV3S/4000G
Part numberSNV3S/4000G
Total capacity4 TB
Product typeInternal Solid State Drive (SSD)
Intended useConsumer
Performance
Sequential read speedUp to 6,000 MB/s
Sequential write speedUp to 5,000 MB/s
Storage
Cache memoryNo DRAM (HMB)
Connectivity
Connection protocolNVMe
Ports & slots
Interface typePCI-Express 4.0 x4
Size & build
Form factorM.2 2280
Overall height2.3 mm
Product weight7g
Shipping weight0.01 kg
Package size184 × 131 × 13 mm
Environment & compliance
Operating temperature range0 °C to 70 °C
Storage temperature range-40 °C to 70 °C
More details
Mean time between failures2,000,000 h

Questions about this item

Does the SNV3S/4000G run hot or draw much power during all-day workloads?

The drive is designed for lower power consumption and reduced heat, operating between 0°C and 70°C without a heatsink, so it stays cool during extended use.

What motherboard slot and keying does the SNV3S/4000G require to function?

It needs an M.2 2280 slot wired for PCIe 4.0 x4 with NVMe support; the single-sided 2.30mm board fits most laptops and desktops with that keying.

Will the SNV3S/4000G slow down if I keep it alongside an older PCIe 3.0 NVMe drive?

Each drive negotiates its own link speed, so this SSD will run at PCIe 4.0 x4 while the older drive stays at PCIe 3.0 x4 without mutual throttling.

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