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

SAMSUNG

SAMSUNG 990 EVO Plus 1TB M.2 2280 internal SSD (MZ-V9S1T0B/AM)

SKU CH-3KB5-5ZZXW MPN MZ-V9S1T0B/AM

1 TB M.2 2280 NVMe drive delivering up to 7150 MB/s read and 6300 MB/s write with 600 TBW endurance

  • Total capacity1 TB
  • Sequential read speedUp to 7,150 MB/s
  • Sequential write speedUp to 6,300 MB/s
  • Interface typePCI-Express 4.0 x4 / PCI-Express 5.0 x2
  • Form factorM.2 2280
  • Product typeInternal Solid State Drive (SSD)

Style Faster

Capacity 1TB

  • Sequential read up to 7150 MB/s for fast boot and load times
  • Sequential write up to 6300 MB/s speeds large file transfers
  • Random write up to 1350000 IOPS keeps multitasking responsive
  • 600 TBW endurance rating supports heavy daily workloads
  • Low 4.2 W active write power extends laptop battery life

Capacity and interface

The Samsung 990 EVO Plus is a 1TB internal solid state drive in the M.2 2280 form factor. It connects via PCIe 4.0 x4 or PCIe 5.0 x2 and uses the NVMe 2.0 protocol. The drive is designed for consumer PCs and laptops that need fast storage in a compact slot.

Who this suits

This SSD suits users upgrading a laptop or desktop with an M.2 slot that supports PCIe 4.0 or 5.0. Its HMB design means no DRAM cache, so systems without HMB support in the BIOS may not see full performance. Buyers needing hardware DRAM or a different capacity should consider other models.

Installation and common issues

Installation is a standard M.2 screw-in process; the drive draws up to 4.3W active read and 4.2W active write. Most issues arise when the motherboard BIOS lacks NVMe 2.0 or HMB support, or when the slot shares bandwidth with other devices and drops to lower speeds. Samsung Magician software helps keep firmware current.

How it compares

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

Price $236.99
Pricier than about 61% of the 1,994 comparable items (median $180.49).
Total capacity 1 TB
Typical for this category: the median of 1,368 items is 1 TB.
Sequential read speed Up to 7,150 MB/s
Higher than about 82% of the 1,180 comparable items (median 2,400 MB/s).
Price per TB $236.99 per TB
Pricier than about 68% of the 1,362 comparable items (median $165.50 per TB).

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Specifications

Product
Brand nameSAMSUNG
Product line990 EVO Plus
Model nameMZ-V9S1T0B/AM
Total capacity1 TB
Product typeInternal Solid State Drive (SSD)
Intended useConsumer
Performance
Sequential read speedUp to 7,150 MB/s
Sequential write speedUp to 6,300 MB/s
Random read (4K)Up to 850,000 IOPS
Random write (4K)Up to 1,350,000 IOPS
Storage
Cache memoryNo DRAM (HMB)
Data encryptionClass 0 (AES 256) , TCG/Opal v2.0, MS eDrive (IEEE1667)
Write endurance600 TB
Connectivity
Connection protocolNVMe 2.0
Ports & slots
Interface typePCI-Express 4.0 x4 / PCI-Express 5.0 x2
Power
Active power draw4.3 W / 4.2 W (Read / Write)
Size & build
Form factorM.2 2280
Shipping weight0.06 kg
Package size138 × 99 × 22 mm

Other versions of this model

4 more in the same range

Questions about this item

What motherboard slot and PCIe generation do I need for the 990 EVO Plus to run at its 7150 MBps read speed?

An M.2 2280 slot wired for PCIe 4.0 x4 or PCIe 5.0 x2 will deliver the rated 7150 MBps sequential read and 6300 MBps write.

Will the drive work in my older laptop that only supports PCIe 3.0 x4?

Yes, it is backward compatible with PCIe 3.0 x4 slots, but sequential speeds will be limited to the 3.0 x4 ceiling rather than the rated 7150 MBps.

How can I verify the 990 EVO Plus is healthy and performing at its 850000 IOPS random-read rating after installation?

Run Samsung Magician software; it reports drive health, firmware version, and lets you benchmark random-read IOPS against the 850000 IOPS spec.

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