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SK Hynix 256GB SSD — Review & Specs | Pricepect | Pricepect

Home Solid State DrivesSK Hynix 256GB SSD

SK Hynix 256GB SSD — image 1

SK Hynix

SK Hynix 256GB SSD

$66.95

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HFS256GD9MND-5510A BA

Solid State Drives

Expert Review Analysis

The SK Hynix 256GB M.2 2230 SSD is a compact PCIe Gen3 x4 NVMe drive aimed at OEM upgrades for ultrabooks, tablets and handheld consoles, offering high peak read speeds but limited sustained write performance.

✓ Best for: Budget‑conscious users upgrading ultrabooks, tablets, or handheld devices that require the tiny 2230 form factor and fast read performance for OS boot and light gaming.✗ Not ideal for: Heavy workloads such as video editing, large file transfers, or any scenario demanding high sustained write throughput and high endurance.

Pros

✓Extremely compact 2230 size (22 mm × 30 mm) and lightweight (~2.7 g) ideal for space‑constrained ultrabooks and handheld consoles.
✓Peak sequential read speeds up to 2850 MB/s enable fast OS boot and game loading times.
✓High random read/write performance up to 140 K/190 K IOPS supports responsive everyday computing tasks.

Price History

Current

$66.95

Average

$29.90

Lowest

$22.30

Highest

$69.99

Price trend (90d):-4.3%

Best Seller Rank History

Now#7,524Best#319Worst#7,524 -7,205

Lower = better sales rank

Rating Trend

Rating4.6/ 5Reviews108+3 reviews

Specifications

Connectivity

InterfacePCIe Gen3 x4 NVMe (16 Gbps)

Design

Form FactorM.2 2230 (22mm x 30mm, M Key)

Width22mm mm

Length30mm mm

Thickness2.38mm mm

Weight9g g

General

BrandSK Hynix

ModelHFS256GD9MND-5510A BA

Warranty1 year

CompatibilityOEM laptops, ultrabooks, Steam Deck, handheld consoles

Performance

Sequential Readup to 2850 MB/s MB/s

Sequential Writeup to 1684 MB/s MB/s

Random Read IOPSup to 140K

Random Write IOPSup to 190K

EnduranceConsumer/Value DWPD (TBW unspecified)

Power

Power ConsumptionLow power consumption (mobile devices)

Storage

Capacity256GB GB

Usable Capacity238.5GB GB

NAND TypeTLC (likely)

Benchmark

PassMark Disk Rating8679 (average), rank 6215 among tested drives

Capacity

Usable Capacity~238.5 GB

Endurance

DWPDConsumer/value class, exact TBW not specified

Dimensions & Weight

Weight0.01984160358 Pounds

Research Sources

drivesolutions.com

harddrivebenchmark.net

ssd.skhynix.com

neweggbusiness.com

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User Reviews

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4.6

(108 reviews)

✓

Low power consumption makes it suitable for battery‑powered devices such as laptops and handhelds.

Cons

✗Real‑world sustained sequential write performance drops to around 350 MB/s, far below the advertised 900 MB/s+.
✗Overall benchmark ranking is low (around 6215th) with an average PassMark score of 8679, indicating mediocre performance versus peers.
✗Limited retail support and variable warranty terms due to OEM‑only packaging can be inconvenient for end users.
✗Usable capacity is only about 238.5 GB, which may feel small for modern applications and games.

From Expert Reviews

Praised by Experts

✓Professional benchmark data highlights strong peak sequential reads up to 2850 MB/s for rapid data access.
✓Random IOPS figures of up to 140 K read and 190 K write demonstrate good responsiveness in mixed workloads.

Criticized by Experts

✗Benchmarks show sustained write speeds as low as 350 MB/s, indicating poor performance for large file transfers.
✗PassMark rating of 8679 and a rank of 6215 place the drive well behind competing NVMe SSDs.
✗Lack of detailed endurance specifications and unknown NAND type raise concerns for long‑term reliability.

From User Reviews

Users Love

✓Users appreciate the quick boot times and fast read performance in ultrabooks and handheld consoles.
✓The tiny 2230 form factor and light weight make installation easy in compact devices.
✓Low power draw helps preserve battery life in portable laptops.

Users Complain About

✗Customers report write speed throttling during prolonged transfers, limiting large file copy tasks.
✗The small usable capacity (~238 GB) is often considered insufficient for modern software libraries.
✗Some users note inconsistent performance compared to the manufacturer’s advertised specifications.

Expert Opinion

Professional reviewers note that the SK Hynix 256GB 2230 SSD delivers impressive peak sequential reads and respectable random IOPS, making it suitable for quick OS boots and light workloads. However, they criticize its poor sustained write speeds, low PassMark rating, and lack of detailed endurance data, positioning it behind more balanced competitors.

What Users Say

Everyday users praise the drive’s compact size, lightweight design, and fast boot experience, especially in ultrabooks and handheld consoles. Recurring complaints focus on throttled write speeds during extended transfers and the limited usable capacity, leading to mixed overall satisfaction.

Common Complaints

Write speed throttling during prolonged use, low real‑world sequential write performance (~350 MB/s), and limited usable capacity (~238 GB).

What People Are Saying

“quick boots in laptops/handhelds”
HardDriveBenchmark2025

How It Compares

vs. Samsung PM991

Advantages

✓Similar OEM focus with reliable Samsung brand reputation.
✓Slightly lower power consumption and consistent performance.

Disadvantages

✗Peak sequential reads are lower (around 2000 MB/s) compared to SK Hynix's 2850 MB/s.
✗Random IOPS not publicly specified, making direct comparison difficult.

Choose Samsung PM991 for a balanced, well‑supported OEM SSD when peak read speed is less critical.

vs. WD SN520/SN530

Advantages

✓Higher sustained write speeds (1500‑1750 MB/s) and better endurance.
✓Higher random IOPS (up to 300 K/400 K) provide stronger overall performance.

Disadvantages

✗Larger power draw may affect battery life in ultra‑portable devices.
✗Slightly larger physical dimensions in some variants.

WD SN520/SN530 is preferable for users needing stronger sustained performance and endurance, even if it consumes more power.

vs. Kioxia BG4

Advantages

✓Competitive peak reads around 2500 MB/s and decent random IOPS.
✓Often priced lower, offering good value for handheld applications.

Disadvantages

✗Sustained write performance still trails top competitors, though better than SK Hynix.
✗Endurance specifications are modest, similar to other value‑oriented drives.

Kioxia BG4 is a solid budget alternative when price and size matter more than maximum write speed.