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WD_BLACK SN850X NVMe SSD 1TB vs Samsung 9100 Pro Internal SSD

The Samsung 9100 Pro is the faster drive on paper: PCIe 5.0 with sequential reads up to 14,800 MB/s, roughly double the WD_BLACK SN850X. The SN850X is a proven PCIe 4.0 gaming drive with Game Mode 2.0, DirectStorage support and an optional heatsink, and owners consistently praise its real-world load times. Pick the Samsung if your motherboard has PCIe 5.0 and you move huge files; pick the WD_BLACK if you want dependable gaming performance and broad compatibility.

  • Choose the WD_BLACK SN850X if you game on a PCIe 4.0 board and want a mature, widely reviewed drive with a heatsink option and Game Mode 2.0.
  • Choose the Samsung 9100 Pro if your motherboard supports PCIe 5.0 and you work with large 4K/8K video or AI datasets where sequential speed matters.

Prices

  • WD_BLACK SN850X NVMe SSD 1TB: $167.53 at BarcodesInc (checked today)
  • Samsung 9100 Pro Internal SSD: $249.99 at Amazon (checked today)
  • Difference: the WD_BLACK SN850X NVMe SSD 1TB is $82.46 cheaper than the Samsung 9100 Pro Internal SSD today
Western Digital
WD_BLACK SN850X NVMe Internal SSD, 1TB

WD_BLACK SN850X NVMe SSD 1TB

WD_BLACK SN850X NVMe Internal SSD, 1TB

4.5(852 ratings)
$167.53at BarcodesIncChecked 1 h ago
See all prices and details
Visit BarcodesInc
Pros
  • Proven PCIe 4.0 performance near the top of its generation
  • Game Mode 2.0 and DirectStorage support tuned for games
  • Optional heatsink keeps speeds steady under sustained load
  • Runs cool enough for laptops and compact builds
  • Wide compatibility with PCIe 4.0 and 3.0 slots
Cons
  • Sequential speeds are about half the Samsung's
  • No PCIe 5.0 headroom for future boards
  • Heatsink is not included on every capacity
Samsung
Samsung 1TB 9100 Pro Internal SSD Drive

Samsung 9100 Pro Internal SSD

Samsung 1TB 9100 Pro Internal SSD Drive

$249.99at AmazonChecked 4 h ago
See all prices and details
Visit Amazon

As an Amazon Associate, Deal.ai earns from qualifying purchases.

Pros
  • PCIe 5.0 bandwidth roughly doubles sequential read and write
  • NVMe 2.0 feature set
  • Strong fit for 4K/8K video editing and AI workloads
  • Samsung Magician software for firmware and health monitoring
Cons
  • Needs a PCIe 5.0 slot to reach rated speeds
  • Runs hot and can throttle without a board or third-party heatsink
  • Newer model with less long-term owner feedback
  • No game-specific mode like Game Mode 2.0

What separates them

WD_BLACK SN850X NVMe SSD 1TBSamsung 9100 Pro Internal SSD
InterfacePCIe 4.0 x4, NVMePCIe 5.0 x4, NVMe 2.0
Sequential readUp to 7,300 MB/sUp to 14,800 MB/s
Sequential writeUp to 6,600 MB/sUp to 13,400 MB/s
Heatsink optionOptional heatsink on 1TB and 2TB modelsSold without a heatsink in this listing
Gaming softwareGame Mode 2.0 via WD_BLACK Dashboard, DirectStorage supportSamsung Magician, no game-specific mode
Power and heatLower power draw, easier to cool in laptops and small buildsRuns hotter and needs airflow or a board heatsink
Platform supportWorks in any PCIe 4.0 or 3.0 M.2 slot at reduced speedFull speed needs a PCIe 5.0 M.2 slot; falls back on older boards
Track recordLong-running model with 852 ratings at 4.5 stars and heavy gaming useNewer drive with a shorter public track record

Price history

$258.95$167.53
Nov 2Nov 10
  • WD_BLACK SN850X NVMe SSD 1TB: lowest $167.53 on Nov 10 at BarcodesInc.
  • Samsung 9100 Pro Internal SSD: lowest $249.99 on Nov 9 at Amazon; $249.99 on Nov 10.

Prices at every store

WD_BLACK SN850X NVMe SSD 1TB

  • BarcodesIncNew

    In stock

    $167.53Free shippingChecked 1 h ago
    Visit BarcodesInc
  • eBayNew

    Availability unknownSold by kn32451 (99.9% positive, 5,000 ratings)Returns: Set by the eBay seller; the eBay Money Back Guarantee covers an item that doesn't arrive or isn't as described.

    $219.00Free shippingChecked Nov 8
    Visit eBay
  • Central ComputersNew

    Availability unknown

    $239.99Checked Nov 3
    Visit Central Computers
  • WalmartNew

    Availability unknown

    $245.00Checked Nov 3
    Visit Walmart

Also available at

  • WalmartCheck price at Walmart

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All 9 stores and price history →

Samsung 9100 Pro Internal SSD

  • DataVisionNew

    In stockReturn policy

    $2,719.99Checked 4 h ago
    Visit DataVision
  • AmazonNew

    Availability unknown

    As an Amazon Associate, Deal.ai earns from qualifying purchases.

    $249.99Free shippingChecked 4 h ago
    Visit Amazon
All 2 stores and price history →

Specs compared

SpecWD_BLACK SN850X NVMe SSD 1TBSamsung 9100 Pro Internal SSD
hard_drive_capacity1 TB—
colorBlack—
Storage capacity2TB—
Max sequential read7300MB/s—
Max sequential write6600Mb/s—
4K random read1200K—
4K random write1100K—
SSD memory typeTLC—
InterfacePCI Express NVMe 4.0 x4—
Form factorM.2 2280—
Item height2.38 mm—
Product weight0.04 kg—
Show all 19 specsShow fewer specs
SpecWD_BLACK SN850X NVMe SSD 1TBSamsung 9100 Pro Internal SSD
Dimensions8 (W) x 2.2 (H) x 0.24 (D) cm—
Cache128 MB—
TypeInternal—
ConnectionM.2—
NVMeYes—
Capacity1 TB, 2 TB, 4 TB—
Quantity1 drive—

What reviewers say

WD_BLACK SN850X NVMe SSD 1TB

  • 4.5 / 5852 ratings

Rated 4.5 out of 5 from 852 ratings, with buyers consistently citing speed and gaming load times. Owners describe it as a clear step up from older WD Black drives and fine for editing, 3D modeling and general use.

What people mention
  • PerformancePraisedBuyers say it loads games and large files quickly and feels faster than the drive it replaced.
  • GamingPraisedOwners call it a strong gaming drive, with short load times and no stutter in large titles.
  • Upgrade valuePraisedReviewers describe it as a big upgrade from older WD Black drives.
  • HeatCriticisedSustained writes warm the drive, and the 1TB model has no heatsink in the box.

Samsung 9100 Pro Internal SSD

Reviewers rate the 9100 Pro among the fastest consumer SSDs, with sequential and random results near the top of the PCIe 5.0 field. They praise the low-profile single-sided build and Samsung's software, and most criticism centers on heat and the premium over Gen 4 drives.

What people mention
  • SpeedPraisedReviewers put it at or near the top of PCIe 5.0 drives in sequential and random benchmarks.
  • HeatCriticisedSustained writes push temperatures up, and reviewers say it needs airflow or a heatsink to avoid throttling.
  • BuildPraisedThe single-sided, low-profile design is noted for fitting laptops and the PS5 slot easily.
  • ValueMixedReviewers call it fast but question whether the premium over PCIe 4.0 drives pays off outside heavy workloads.

Questions and answers

Which is better for gaming?
The SN850X. Games load from random reads more than sequential speed, and its Game Mode 2.0 and DirectStorage support target exactly that. The 9100 Pro's extra bandwidth shows up in large file transfers, not in most game load times.
Do I need a PCIe 5.0 motherboard for the Samsung?
Yes, to get its rated speeds. In a PCIe 4.0 slot it runs at PCIe 4.0 speed, which puts it close to the SN850X. Check your board's M.2 slot generation before stepping up.
Will the 9100 Pro overheat?
It can under long sustained writes. Use your motherboard's M.2 heatsink or add one. The SN850X runs cooler and its heatsink version is built for sustained gaming loads.
Is the Samsung worth stepping up to?
Only if you move very large files regularly, such as 8K video or AI training data, and have a PCIe 5.0 slot. For gaming and everyday use the SN850X covers the same ground with less heat.
Which lasts longer?
Both are TLC drives from major brands with multi-year warranties. The SN850X has a longer public track record; the 9100 Pro is newer, so long-term owner data is thinner.
Will either fit a laptop?
Both are M.2 2280. The SN850X is the safer pick in a laptop because it draws less power and runs cooler; a PCIe 5.0 drive in a thin chassis can throttle.

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