PricepectAI-Verified Comparisons

Comparisons About

⌘K

Pricepect

Independent product comparisons to help you buy smarter.

Browse

Categories
Comparisons
Spec Comparisons
Head-to-Head
Search

Info

About
Privacy Policy
Terms of Service

Top Categories

Electronics
Home & Kitchen
Sports & Outdoors
Automotive

✓ Independent & Unbiased✓ AI-Verified Data✓ Expert-Reviewed

Pricepect participates in the Amazon Services LLC Associates Program. As an Amazon Associate, we earn from qualifying purchases. © 2026 Pricepect. All rights reserved.

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

$63.00

Track Price on BigBangPrice

Get notified when the price drops. Track this product on BigBangPrice, our price tracking partner.

HFS256GD9TNI PC611

Solid State Drives

Expert Review Analysis

The SK Hynix PC611 256 GB is a mid‑range PCIe Gen3 x4 NVMe M.2 2280 SSD aimed at laptops and desktops, offering real‑world sequential speeds around 2124 MB/s read and 1185 MB/s write with strong random IOPS. It is commonly used in OEM systems like Dell XPS, providing reliable everyday performance without premium features.

✓ Best for: Budget‑conscious upgraders, laptop OEM replacements, and basic users who need a reliable boot drive in PCIe Gen3 systems; ideal for OS installations, web browsing, office work, light photo editing, and entry‑level gaming where Gen4 speed isn’t required.✗ Not ideal for: Heavy video editing, 4K/144 Hz gaming, workstation workloads, or any scenario demanding sustained >3000 MB/s speeds, high endurance, or the latest Gen4/Gen5 performance.

Pros

✓Real‑world sequential read speed of 2124 MB/s and write speed of 1185 MB/s provide solid Gen3 performance for everyday tasks.
✓Random IOPS of 200K read and 245K write, with 899 MB/s at 32K QD20, ensure quick OS boot and application loading.
✓

Price History

Current

$63.00

Average

$28.59

Lowest

$20.88

Highest

$63.00

Price trend (90d):-4.5%

Best Seller Rank History

Now#543Best#543Worst#1,045 +237

Lower = better sales rank

Rating Trend

Rating4.4/ 5Reviews59

Specifications

Design

Form FactorM.2 2280 (22 mm x 80 mm)

Height2.54 mm mm

Width22.86 mm mm

Length81.28 mm mm

General

BrandSK Hynix

ManufacturerHynix

Model NameHFS256GD9TNI PC611

CompatibilityM.2 2280 PCIe NVMe

Self-Test Time15 minutes minutes

Performance

InterfacePCIe Gen3 x4, NVMe

Sequential Read Speed (Advertised)3100 MB/s MB/s

Sequential Read Speed (Average)2124 MB/s MB/s

Sequential Write Speed (Advertised)1300 MB/s MB/s

Sequential Write Speed (Average)1185 MB/s MB/s

Power

Maximum Operating Temperature84°C C

Storage

Capacity256 GB GB

Usable Capacity238.4 GiB GiB

Random Read IOPS200,000

Random Write IOPS245,000

Thermal

Critical Maximum Temperature84 °C (183 °F)

Testing

Full Self-Test Time15 minutes

Benchmark

PassMark Disk Rating (average)13,515 (range 14,653–15,904)

Dimensions & Weight

Height0.1 inches

Width0.9 inches

Depth3.2 inches

Research Sources

harddrivebenchmark.net

notebookcheck.net

ssd.skhynix.com

Similar Products

Fikwot FX815 256GB SSD, 2.5" SATA SSD, Internal Solid State Drive, Up to 560MB/s, 3D NAND SLC Cashe, Compatible with Laptop & PC Desktop

Fikwot FX815 256GB SSD, 2.5" SATA SSD, Internal Solid State Drive, Up to 560MB/s, 3D NAND SLC Cashe, Compatible with Laptop & PC Desktop

Fikwot

Fikwot FX550 NVMe SSD 512GB M.2 SSD PCIe 3.0×4, Read Up to 3,200 MB/s, M2 2280 Internal Soild State Drive, Compatible with Desktop, Laptop and Mini PC, QLC NAND Flash

Fikwot FX550 NVMe SSD 512GB M.2 SSD PCIe 3.0×4, Read Up to 3,200 MB/s, M2 2280 Internal Soild State Drive, Compatible with Desktop, Laptop and Mini PC, QLC NAND Flash

Fikwot

Samsung SSD 9100 PRO 1TB, PCIe 5.0x4 M.2 2280, Seq. Read Speeds Up to 14,700MB/s, Best for AI Computing, Gaming, and Heavy Duty Workstations (MZ VAP1T0B/AM)

Samsung SSD 9100 PRO 1TB, PCIe 5.0x4 M.2 2280, Seq. Read Speeds Up to 14,700MB/s, Best for AI Computing, Gaming, and Heavy Duty Workstations (MZ VAP1T0B/AM)

Samsung

SinLoon Mini PCIE to NGFF M.2 M Key Extender Cable MPCIE Male to M2 Female NVME SSD Riser Cable

SinLoon Mini PCIE to NGFF M.2 M Key Extender Cable MPCIE Male to M2 Female NVME SSD Riser Cable

SinLoon

SynthDisk Mini SSD 1T Compatible Memory SSD 4200MB/S Sequential Read for Mac mini M4 Model Expansion Disk M.2230

SynthDisk Mini SSD 1T Compatible Memory SSD 4200MB/S Sequential Read for Mac mini M4 Model Expansion Disk M.2230

SynthDisk

Fikwot FN950 4TB NVMe SSD PCIe Gen4x4 M.2 2280,Read Up to 5000MB/s, Configure SLC Cache, Internal Solid State Drive for PS5 Laptop Desktop

Fikwot FN950 4TB NVMe SSD PCIe Gen4x4 M.2 2280,Read Up to 5000MB/s, Configure SLC Cache, Internal Solid State Drive for PS5 Laptop Desktop

Fikwot

256GB 8X32GB DDR5 4800MHZ PC5-38...

User Reviews

Please sign in to leave a review

Sort by:

No reviews yet. Be the first to review!

4.4

(59 reviews)

Proven reliability in OEM laptops such as Dell XPS and Latitude, backed by consistent PassMark scores between 13,500 and 15,900.

✓Compact M.2 2280 form factor (22 mm × 80 mm) allows easy installation in thin laptops and desktops.

✓Thermal throttling protection up to a critical temperature of 84 °C helps maintain performance stability.

Cons

✗Ranks around 4,920th in benchmark lists, significantly behind high‑end SSDs like the Samsung 990 Pro.
✗4K QD1 performance is weak at only 59 MB/s, limiting responsiveness for low‑queue‑depth workloads.
✗Based on older PCIe Gen3 x4 technology, it cannot match the speeds of newer Gen4 or Gen5 SSDs.
✗Usable capacity after formatting is only 238.4 GiB, reducing the effective storage space for users.
✗No publicly disclosed power consumption, endurance (TBW), or controller/NAND details for the 256 GB model.

From Expert Reviews

Praised by Experts

✓Professional benchmarks highlight respectable random performance (899 MB/s at 32K QD20) suitable for OS and app workloads.
✓PassMark average rating of ~13,500 demonstrates consistent reliability across many benchmark submissions.
✓Thermal limit of 84 °C and built‑in SMART self‑test are noted as solid reliability features for OEM deployments.

Criticized by Experts

✗Reviewers note the drive is a mid‑range OEM SSD that does not compete with premium models in sequential speed or endurance.
✗Older 2020 design limits its relevance in modern systems that favor Gen4/Gen5 performance.

From User Reviews

Users Love

✓Everyday users report the SSD feels fast enough for Windows boot, application launches, and light photo editing.
✓Long‑term benchmark submissions show stable performance over several years, indicating good durability in daily use.

Users Complain About

✗Enthusiast users find the drive unexciting due to its lower ranking and lack of cutting‑edge speeds.
✗Some users mention the limited usable capacity and older interface as drawbacks for future‑proofing.

Expert Opinion

Professional reviewers position the PC611 as a solid mid‑range OEM NVMe SSD that delivers respectable random I/O and consistent PassMark scores, making it a reliable choice for laptops like Dell XPS. However, they emphasize that its Gen3 interface and 2020 design prevent it from competing with newer Gen4/Gen5 premium drives in raw speed and endurance.

What Users Say

Everyday users appreciate the drive’s quick boot times and stable day‑to‑day performance, noting that it feels fast enough for typical office and light creative tasks. The main sentiment is that while the SSD is dependable, it lacks the excitement and future‑proofing that power users seek.

Common Complaints

Lower overall benchmark ranking, weak 4K QD1 throughput, older Gen3 technology limiting future‑proofing, and limited usable capacity after formatting.

How It Compares

vs. Samsung 970 EVO Plus 250GB

Advantages

✓Higher sequential read/write speeds (~3500/3200 MB/s) and greater endurance than the PC611
✓Better random performance (~1400 MB/s) for demanding workloads

Disadvantages

✗Typically higher price point
✗May be overkill for basic Gen3 systems

Choose the 970 EVO Plus when you need top‑tier performance and endurance; stick with the PC611 for cost‑effective OEM upgrades.

vs. WD Blue SN550 250GB

Advantages

✓Slightly faster sequential writes (~1750 MB/s) and similar PassMark rating
✓Widely available and often priced competitively

Disadvantages

✗Performance advantage is modest; both share older Gen3 limitations

Both are solid Gen3 options; pick the SN550 if you prefer a slightly faster write speed, otherwise the PC611 offers comparable reliability at similar cost.

vs. Crucial P3 250GB (Gen4)

Advantages

✓Gen4 interface delivers ~3500/3000 MB/s sequential speeds, outpacing the PC611
✓Higher random throughput (~1200 MB/s) and newer NAND technology

Disadvantages

✗Requires a Gen4 slot to realize full speed; otherwise performance drops to Gen3 levels
✗Potentially higher price

If your system supports Gen4, the P3 is a clear upgrade; otherwise the PC611 remains a sensible Gen3 choice.

vs. Samsung 990 Pro 250GB (Gen4)

Advantages

✓Exceptional sequential speeds (~7450/6900 MB/s) and top‑tier random performance (~2500 MB/s)
✓Premium endurance and advanced controller

Disadvantages

✗Significantly more expensive and overkill for Gen3 slots
✗Targeted at high‑performance enthusiasts and workstations

The 990 Pro is for users who demand flagship performance and have Gen4 hardware; the PC611 is better suited for budget‑oriented OEM replacements.