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SK Hynix 1TB SSD — Review & Specs | Pricepect | Pricepect

Home Solid State DrivesSK Hynix 1TB SSD

SK Hynix 1TB SSD — image 1

SK Hynix

SK Hynix 1TB SSD

0.0

$132.99

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S321tbGray

Solid State Drives

Expert Review Analysis

The SK Hynix Gold S31 1TB is a 2.5‑inch SATA III internal SSD that delivers up to 560 MB/s read and 525 MB/s write speeds, features in‑house 3D NAND, controller and DRAM, offers 600 TBW endurance, and comes with a five‑year warranty.

✓ Best for: Gamers, designers, content creators, and general PC users who need a fast, reliable SATA replacement in laptops or space‑constrained desktops, especially for boot drives, everyday computing, and light content editing.✗ Not ideal for: Users seeking the highest possible sequential performance, large storage capacities beyond 1 TB, or those who prefer NVMe speeds; also unsuitable for desktop builds that lack a 2.5‑inch mounting solution without purchasing an extra caddy.

Pros

✓Sequential read speeds up to 560 MB/s and write speeds up to 525 MB/s, reaching the limits of SATA III.
✓High endurance rating of 600 TBW for a 1 TB drive, suitable for heavy write workloads.
✓In‑house SK Hynix NAND, controller and DRAM provide consistent performance and low latency.

Price History

Current

$132.99

Average

$134.73

Lowest

$119.00

Highest

$140.00

Good Deal — 1% below average

Price trend (90d):+11.8%

Best Seller Rank History

Now#676Best#462Worst#1,265 -214

Lower = better sales rank

Rating Trend

Rating4.0/ 5Reviews1

Specifications

Design

Form Factor2.5-inch

Length100.5 mm mm

Width69.9 mm mm

Thickness7.0 mm mm

Features

TRIM SupportYes

S.M.A.R.T SupportYes

CompatibilityLaptops, desktops, 2.5-inch SATA bays

General

BrandSK Hynix

ManufacturerSK hynix

ModelS321tb

ColorGray

Warranty5 years

Performance

ControllerSK hynix in-house controller

DRAM CacheSK hynix in-house DRAM

Sequential Read560 MB/s MB/s

Sequential Write525 MB/s MB/s

4K Random Read IOPS95,000 IOPS IOPS

Storage

Capacity1TB (931 GB usable)

NAND Type3D TLC, 72-layer

Endurance (TBW)600 TBW TBW

Physical

CasingSilver aluminum enclosure with two‑sided green PCB and red plastic framing

Power

Power Consumption DataNot officially disclosed for this SATA model

Reliability

MTBFNot specified for this model (related NVMe models list 1.5 million hours)

Research Sources

news.skhynix.com

servethehome.com

ssd.skhynix.com

notebookcheck.net

thessdreview.com

neweggbusiness.com

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User Reviews

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✓Thin 7 mm profile fits easily into laptops and other space‑constrained 2.5‑inch bays.

✓Five‑year limited warranty offers long‑term peace of mind for consumers.

Cons

✗Sequential performance caps at SATA III limits and does not outperform competing SATA SSDs.
✗Maximum capacity limited to 1 TB, whereas rivals offer up to 4 TB in the same form factor.
✗Random IOPS results vary between tests, with some benchmarks showing lower scores than advertised.
✗Desktop installations may require a separate 2.5‑inch caddy, which is not included in the package.
✗No official specifications for power consumption or MTBF are provided for this SATA model.

From Expert Reviews

Praised by Experts

✓Professional tests show near‑theoretical SATA III sequential speeds (~530 MB/s read, ~480 MB/s write).
✓Reviewers highlight the 600 TBW endurance as excellent for a 1 TB SATA SSD.
✓In‑house SK Hynix controller and DRAM are praised for consistent latency in mixed workloads.
✓Thin 7 mm design is commended for easy installation in slim laptops and compact desktops.

Criticized by Experts

✗Reviewers note the drive does not exceed SATA III limits, offering no speed advantage over similar SSDs.
✗Random 4K IOPS scores fluctuate between benchmarks, indicating inconsistent performance under certain workloads.
✗The 1 TB capacity ceiling is lower than competing models that provide up to 4 TB in the same size.
✗Desktop users must purchase a separate 2.5‑inch mounting caddy, which is not supplied with the SSD.

From User Reviews

Users Love

✓Everyday users report noticeably faster boot times compared to traditional HDDs.
✓Customers appreciate the drive’s reliability for daily computing tasks and light content editing.
✓The SSD’s thin form factor allows easy replacement in older laptops with limited space.

Users Complain About

✗Some users are disappointed by the 1 TB capacity ceiling when larger storage is needed.
✗A few owners mention the necessity of a separate caddy or adapter for desktop installations.
✗Limited availability of detailed power consumption data leaves power‑conscious users uncertain.

Expert Opinion

Professional reviewers commend the Gold S31 for delivering near‑SATA III sequential speeds, solid 600 TBW endurance, and consistent latency thanks to SK Hynix's in‑house controller and DRAM. They note its thin 7 mm profile as ideal for laptops, but point out that it offers no speed advantage over other SATA SSDs, has variable random IOPS, and is limited to 1 TB capacity, requiring a separate caddy for desktop use.

What Users Say

Consumers generally praise the SSD for fast boot times, reliable day‑to‑day performance, and its slim design that fits tight spaces. Recurring themes include disappointment with the 1 TB capacity limit and the need to buy an extra mounting caddy for desktop installations, while overall satisfaction remains high due to its speed and durability.

Common Complaints

Capacity ceiling at 1 TB, requirement for a separate mounting caddy in desktops, and lack of published power consumption or MTBF figures.

How It Compares

vs. Samsung 860 EVO 1TB

Advantages

✓Slightly higher advertised random read IOPS (98K) compared to Gold S31's 95K.
✓Samsung brand recognition and extensive ecosystem support.

Disadvantages

✗Sequential read/write speeds (550/520 MB/s) are marginally lower than Gold S31's 560/525 MB/s.
✗Endurance rating is similar (~600 TBW) but does not clearly surpass Gold S31.

Choose the 860 EVO if you prefer Samsung's software ecosystem; choose Gold S31 for marginally faster sequential performance and in‑house component consistency.

vs. Samsung 860 QVO 1TB

Advantages

✓Offers a higher maximum capacity option (up to 4 TB) in the same form factor.
✓Sequential speeds (560/530 MB/s) are comparable to Gold S31.

Disadvantages

✗Significantly lower endurance (360 TBW) than Gold S31's 600 TBW.
✗Random IOPS are much lower (42K/40K) due to QLC NAND.

The 860 QVO is suited for users prioritizing capacity over endurance, while the Gold S31 is better for those needing higher durability and consistent performance.