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

Home Solid State DrivesSK Hynix 256GB SSD

📦

SK Hynix

SK Hynix 256GB SSD

4.5(20 reviews)

$79.99

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HFM256GDJTNG

Solid State Drives

Expert Review Analysis

The SK Hynix BC501 256 GB (HFM256GDJTNG) is an enterprise‑grade M.2 2280 NVMe SSD that uses a PCIe 3.0 x2 interface, delivering up to 1.45 GB/s sequential reads while consuming only 3 W of power, making it suitable for thin‑and‑light laptops and OEM replacements.

✓ Best for: Budget OEM upgrades in thin laptops (e.g., Dell Latitude, Alienware Area‑51m) that need a compact 256 GB NVMe boot drive with low power and heat, as well as enterprise post‑lease replacements where reliability outweighs peak speed.✗ Not ideal for: Gaming rigs, content‑creation workstations, or any scenario demanding high random IOPS, top‑tier sequential speeds, or the latest NVMe features such as Host Memory Buffer and instant secure erase.

Pros

✓Low power consumption of max 3 W keeps laptop heat and battery impact minimal.
✓Compact M.2 2280 form factor fits thin laptops and standard OEM trays easily.
✓Supports TRIM and firmware upgrades, enhancing long‑term reliability and maintainability.

Price History

Current

$79.99

Average

$28.38

Lowest

$23.88

Highest

$79.99

Price trend (90d):0.0%

Best Seller Rank History

Now#7,320Best#529Worst#7,320 -6,791

Lower = better sales rank

Rating Trend

Rating4.5/ 5Reviews22

Specifications

Design

Form FactorM.2 2280

Height2.3 mm mm

Width21.8 mm mm

Length80.3 mm mm

Features

Full Self-Test Time20 minutes minutes

Throttling ControlSupported

TRIM SupportSupported

Host Memory BufferNot supported

Drive Access RestrictionSupported

General

BrandSK Hynix

ManufacturerSK Hynix

ModelHFM256GDJTNG

Performance

Sequential ReadUp to 1449 MB/s MB/s

Sequential WriteUp to 860 MB/s MB/s

Buffered Read941 MiB/s MiB/s

Average Access Time0.5 ms ms

Random Seek Throughput711 MB/s MB/s

Power

Maximum Power Consumption3 W W

Critical Temperature85°C °C

Recommended Temperature83°C °C

Maximum Observed Temperature74°C °C

Average Maximum Temperature51°C °C

Storage

Capacity256 GB GB

Dimensions & Weight

Height0.09 Inches

Width0.86 inches

Depth3.16 inches

Research Sources

harddrivebenchmark.net

notebookcheck.net

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User Reviews

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✓Provides decent sequential read speeds up to 1.4 GB/s in real‑world benchmarks for fast OS loading.

✓Includes drive access restriction and advanced format support, adding enterprise‑level security.

Cons

✗PCIe 3.0 x2 interface limits maximum bandwidth to about 2 GB/s, slower than modern x4 NVMe alternatives.
✗Random I/O performance is modest, with only ~43 MB/s (4 K QD1) observed in benchmark tests.
✗Lacks Host Memory Buffer (HMB) and instant data destruction features found on newer SSDs.
✗Benchmarked since 2018, indicating an older controller design and lower overall ranking among current drives.
✗No official weight or detailed dimensions disclosed, complicating precise thermal and mechanical planning.

From Expert Reviews

Praised by Experts

✓Professional benchmarks highlight the drive’s low idle power draw (≈40 mW) and modest 3 W peak, beneficial for thin‑and‑light laptops.
✓Reviewers note solid sequential read performance reaching up to 1.45 GB/s, suitable for fast OS boot and application launch.
✓Editors praise the built‑in 20‑minute self‑test and temperature safeguards (critical 85 °C) as indicators of enterprise‑grade reliability.

Criticized by Experts

✗Editors criticize the PCIe 3.0 x2 lane limitation, capping throughput well below contemporary x4 NVMe drives.
✗Professional tests point out weak random 4 K IOPS, making the SSD less suitable for heavy multitasking or database workloads.
✗Reviewers mention the lack of Host Memory Buffer (HMB) and instant erase, features now common in competing models.

Expert Opinion

Professional reviewers view the BC501 as a reliable, low‑power SSD that excels in sequential workloads and enterprise reliability features, but they consistently note its limited PCIe x2 bandwidth and weak random performance, placing it in the mid‑to‑low tier of current NVMe drives.

What Users Say

Consumer feedback is scarce; the product has no user reviews on major retail sites, and the few benchmark samples suggest limited enthusiasm, with most users appreciating its low power draw but noting it falls short of modern SSD performance expectations.

Common Complaints

Users and reviewers commonly point out the drive’s low ranking among SSDs, underperformance in random read/write tasks, and the older design that lacks newer performance‑enhancing features.

How It Compares

vs. WD SN550 250 GB

Advantages

✓Higher sequential read speeds (~2.4 GB/s) provide faster large‑file transfers.
✓Better random IOPS performance than the BC501, improving multitasking responsiveness.

Disadvantages

✗Higher idle power draw (~40 mW) and peak consumption (~3.5 W) increase heat in thin laptops.
✗Price is typically higher than the OEM‑focused BC501.

Choose the WD SN550 when you need better overall speed and can tolerate slightly higher power usage; stick with the BC501 for ultra‑low power and OEM cost constraints.

vs. Samsung 970 EVO Plus 250 GB

Advantages

✓Top‑tier sequential read/write speeds (~3.5 GB/s read, ~2.3 GB/s write) deliver the fastest performance.
✓Very high random 4 K IOPS (~400K) excels in demanding workloads and gaming.

Disadvantages

✗Peak power consumption (~6 W) is double that of the BC501, generating more heat.
✗Premium price makes it less attractive for budget OEM replacements.

The Samsung 970 EVO Plus is ideal for performance‑focused users and gamers, while the BC501 remains the better choice for low‑power, cost‑sensitive laptop upgrades.