Adata
The ADATA Ultimate SU800 512GB is a budget‑friendly 2.5" SATA SSD that uses 3D TLC NAND and a Silicon Motion SM2258G controller to deliver fast boot times and solid everyday performance. It offers high endurance (400 TBW) and useful migration software, but sustained write speeds fall off after the SLC cache is exhausted.
Pros
Cons
Current
$84.99
Average
$58.70
Lowest
$1.55
Highest
$99.00
Lower = better sales rank
EYOOLD
OWC
BENFEI
fanxiang
WD_BLACK
Gigastone
Gigastone
Gigastone
![SABRENT USB 3.2 Type A to SATA/U.2 SSD Adapter Cable with 12V/2A Power Supply [EC-U2SA]](https://m.media-amazon.com/images/I/31B7FtcwRRL._SL500_.jpg)
SABRENT
Gigastone
BolAAzuL
fanxiang
Crucial
fanxiang
fanxiang
fanxiang
fanxiang
Fikwot
Fikwot
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From Expert Reviews
Praised by Experts
Criticized by Experts
From User Reviews
Users Love
Users Complain About
Best For
Casual users upgrading from HDDs, office and productivity PCs running Windows 10/11, light‑gaming systems, older laptops and desktops with 2.5" SATA bays, and secondary storage for media and documents.
Not Ideal For
Video editors, content creators handling large files, workstations with constant write workloads, environments requiring hardware encryption, and RAID arrays with heavy sequential writes.
Expert Opinion
Professional reviewers describe the SU800 as an entry‑level, budget‑oriented SSD that offers competitive advertised speeds and a high TBW rating, making it a solid value upgrade for typical consumer workloads. However, they note that the drive’s sustained write performance collapses after the SLC cache is exhausted and that it lacks hardware encryption, so it isn’t suited for power users or security‑focused environments.
What Users Say
Everyday users overwhelmingly rate the SU800 4‑5 stars, highlighting its fast boot times, noticeable system responsiveness, and good price‑to‑performance ratio. Common praise centers on its reliability and the convenience of the included migration tools, while recurring complaints focus on the sharp drop in write speed during large transfers and occasional issues with the migration software.
Common Complaints
Sustained write speed falls to ~50 MB/s after cache saturation. Migration utility requires registration and sometimes has broken download links. Higher idle temperatures (up to 46 °C) compared with some competitors
What People Are Saying
“solid performer for the price.”
How It Compares
vs. Samsung 850 EVO 500GB
Advantages
Disadvantages
Choose the 850 EVO if you need consistent write performance, encryption, and a longer warranty; choose the SU800 for a cheaper upgrade with higher endurance.
vs. Crucial MX500 500GB
Advantages
Disadvantages
The MX500 is preferable for users who value sustained performance and encryption, while the SU800 offers a lower price point and higher endurance for basic use.
