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A black 2.5 inch SATA SSD with silver label and gold connector pins

ADATA

ADATA Ultimate SU650 2.5" 240GB SATA internal SSD ASU650SS-240GT-R

SKU CH-BDHF-G1A4M MPN ASU650SS-240GT-R

A 2.5 inch SATA internal SSD with 240GB of 3D NAND storage, delivering sequential reads up to 520 MB/s and writes up to 450 MB/s

  • Total capacity240 GB
  • Sequential read speedATTO: Up to 520 MB/s CDM-QD32T1: Up to 520 MB/s AS SSD: Up t
  • Sequential write speedATTO: Up to 450 MB/s CDM-QD32T1: Up to 450 MB/s AS SSD: Up t
  • Interface typeSATA III
  • Form factor2.5 in (6.35 cm)
  • Product typeInternal Solid State Drive (SSD)

Capacity 240GB

  • Sustained read speeds up to 520 MB/s for fast boot and load times
  • SLC caching boosts burst write performance to 450 MB/s
  • 3D NAND flash delivers 140 TB written endurance
  • Advanced error correction protects data integrity
  • Shock resistant to 1500G with no moving parts

Ideal SATA upgrade for older systems

The ADATA Ultimate SU650 is a 2.5 inch internal SSD built for consumer desktops and laptops that still use the SATA III interface. Its 240GB capacity and 3D NAND flash make it a straightforward replacement for a mechanical hard drive in everyday workloads.

Silent operation with modest power draw

With no moving parts the drive produces zero noise and runs within a 0°C to 70°C operating range. The 3D NAND architecture and SLC caching keep power consumption low while delivering sequential reads up to 520 MB/s and writes up to 450 MB/s in typical use.

240GB capacity with 140TB endurance

The single figure that decides fit is the 240GB capacity paired with a 140TB total bytes written rating. This combination determines whether the drive can hold the operating system, applications and working files for the intended upgrade without exceeding its write endurance.

How it compares

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

Price $22.99
Cheaper than about 96% of the 1,994 comparable items (median $180.49).
Total capacity 240 GB
Lower than about 90% of the 1,368 comparable items (median 1 TB).
Sequential read speed ATTO: Up to 520 MB/s CDM-QD32T1: Up to 520 MB/s AS SSD: Up to 500 MB/s
Lower than about 90% of the 1,180 comparable items (median 2,400 MB/s).
Price per TB $95.79 per TB
Cheaper than about 87% 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 nameADATA
Product lineUltimate SU650
Model nameASU650SS-240GT-R
Total capacity240 GB
Product typeInternal Solid State Drive (SSD)
Intended useConsumer
Performance
Sequential read speedATTO: Up to 520 MB/s
CDM-QD32T1: Up to 520 MB/s
AS SSD: Up to 500 MB/s
Sequential write speedATTO: Up to 450 MB/s
CDM-QD32T1: Up to 450 MB/s
AS SSD: Up to 430 MB/s
Random read (4K)Up to 40,000 IOPS
Random write (4K)Up to 75,000 IOPS
Storage
NAND flash type3D NAND
Ports & slots
Interface typeSATA III
Size & build
Form factor2.5 in (6.35 cm)
Overall height7 mm
Overall width69.85 mm
Product depth100.45 mm
Product weight59.5g
Shipping weight0.07 kg
Package size135 × 126 × 9 mm
Environment & compliance
Operating temperature range0 °C to 70 °C
Storage temperature range-40 °C to 85 °C
Max shock tolerance1500G / 0.5 ms
More details
Mean time between failures2,000,000 h

Other versions of this model

2 more in the same range

Questions about this item

How do I install the 2.5" SATA SSD in my laptop or desktop, and what step do people often miss?

Connect the drive to a SATA data cable and a SATA power cable, secure it in the 2.5" bay or caddy, then initialise and format the 240GB volume in Disk Management before use.

What maintenance or replacement will the SU650 240GB need over its lifespan?

No mechanical maintenance is required; the drive is rated for 140TB total bytes written and 2,000,000 hours MTBF, so replacement is only needed once that write endurance is reached.

What limit appears first during sustained heavy writes on this 240GB model?

The SLC cache will fill first, after which sequential write speed drops from the peak 450 MB/s to the native 3D NAND rate.

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