Shop
  • Deals
  • Deal checker
  • Black Friday
  • Buying guides
  • Brands
  • Stores
Travel
  • Flight deals
  • Hotel deals
Company
  • Research
  • Press
  • deal.ai apps
Black Friday 2026
  • Walmart
  • Best Buy
  • Target
  • TVs
  • Laptops
  • Headphones
  • Apple
  • Gaming
  • Vacuums
  • Kitchen
  • Toys
  • Smartwatches
  • Tablets
  • Furniture
  • Mattresses
© Deal.ai Inc.
TermsPrivacy
Deal.ai › Compare

WD_BLACK SN7100 4TB NVMe SSD vs Corsair MP700 PRO SE Hydro X SSD

Buy the WD_BLACK SN7100 if you want a fast, cool-running Gen4 drive that works in almost any modern laptop or desktop. Buy the Corsair MP700 PRO SE Hydro X only if your motherboard has PCIe 5.0 and you can give it real cooling, because it is one of the fastest consumer SSDs made but runs hot and needs a heatsink. The SN7100 is the safer, more efficient pick for most people; the Corsair is the step up for benchmark chasers and heavy gaming builds with the right slot.

  • Choose the WD_BLACK SN7100 if you want plug-and-play Gen4 speed, low heat and broad laptop compatibility.
  • Choose the Corsair MP700 PRO SE Hydro X if you have a PCIe 5.0 slot, a heatsink and want the highest sequential speeds available.

Prices

  • WD_BLACK SN7100 4TB NVMe SSD: $560.00 at eBay (checked today)
  • Corsair MP700 PRO SE Hydro X SSD: $484.99 at Corsair.com (checked today)
  • Difference: the Corsair MP700 PRO SE Hydro X SSD is $75.01 cheaper than the WD_BLACK SN7100 4TB NVMe SSD today
SanDisk
WD_BLACK SN7100 M.2 2280 4TB PCI-Express 4.0 x4 TLC 3D NAND Internal Solid State Drive (SSD)

WD_BLACK SN7100 4TB NVMe SSD

WD_BLACK SN7100 M.2 2280 4TB PCI-Express 4.0 x4 TLC 3D NAND Internal Solid State Drive (SSD)

4.5(4 ratings)
$560.00at eBayObserved at 12:10 AM
See all prices and details
Visit eBay

Store links may earn us a commission.

Pros
  • Fast Gen4 speeds near the top of its class
  • Runs cool and fits thin laptops
  • High 2,400 TBW endurance rating
  • Works in any PCIe 4.0 or 3.0 M.2 slot
Cons
  • No AES 256-bit encryption listed
  • Capped by Gen4 bandwidth
  • No heatsink included
Corsair
Corsair MP700 PRO SE Hydro X Series PCIe 5.0 NVMe M.2 SSD

Corsair MP700 PRO SE Hydro X SSD

Corsair MP700 PRO SE Hydro X Series PCIe 5.0 NVMe M.2 SSD

$484.99at Corsair.comObserved at 8:08 AM
See all prices and details
Visit Corsair.com
Pros
  • Top-tier Gen5 sequential speeds
  • AES 256-bit encryption
  • Built for gaming builds with cooling
  • Hydro X cooling option for water loops
Cons
  • Runs hot and needs a heatsink
  • Requires a PCIe 5.0 slot to hit full speed
  • Bare drive, no cooler in the box

What separates them

WD_BLACK SN7100 4TB NVMe SSDCorsair MP700 PRO SE Hydro X SSD
InterfacePCIe 4.0 x4 NVMePCIe 5.0 NVMe
Sequential readUp to 7,000 MB/sHigher Gen5 ceiling, roughly 14,000 MB/s class
Sequential writeUp to 6,700 MB/sHigher Gen5 ceiling, roughly 12,000 MB/s class
Heat and coolingRuns cool, no heatsink neededRuns hot at full speed, needs a heatsink
Laptop fitWorks in most Gen4 laptops and desktopsNeeds a Gen5 slot and cooling room, rare in laptops
Endurance2,400 TBW ratedHigh-end Gen5 endurance, but heat shortens sustained life
EncryptionNo AES 256-bit self-encryption listedAES 256-bit encryption
Form factorM.2 2280, bare driveM.2 2280, bare drive, Hydro X cooling option

Price history

$676.50$484.99
Nov 3Nov 9
  • WD_BLACK SN7100 4TB NVMe SSD: lowest $599.99 on Nov 9 at Newegg.
  • Corsair MP700 PRO SE Hydro X SSD: lowest $484.99 on Nov 9 at Corsair.com.

Prices at every store

WD_BLACK SN7100 4TB NVMe SSD

  • NeweggNew

    In stock

    $599.99Free shippingObserved at 12:10 AM
    Visit Newegg
  • WalmartNew

    In stockSold by Newegg Inc.Returns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.

    $624.99Observed at 12:10 AM
    Visit Walmart
  • Best BuyNew

    In stock

    $624.99Free shippingObserved at 12:10 AM
    Visit Best Buy
  • eBayNew

    Availability unknownSold by best-deals1973 (100% positive, 1,400 ratings)Returns: Set by the eBay seller; the eBay Money Back Guarantee covers an item that doesn't arrive or isn't as described.

    $560.00Free shippingObserved at 12:10 AM
    Visit eBay

Store links may earn us a commission. Some prices via Klarna.

All 7 stores and price history →

Corsair MP700 PRO SE Hydro X SSD

  • Corsair.comNew

    In stock

    $484.99Free shippingObserved at 8:08 AM
    Visit Corsair.com
  • CORSAIRNew

    In stock

    $599.99Free shippingObserved at 8:07 AM
    Visit CORSAIR
  • Grooves-Inc.comNew

    In stock

    $654.88+ $9.36 shippingObserved at 8:08 AM
    Visit Grooves-Inc.com
  • eBayNew

    Availability unknownSold by whatarethose333 (100% positive, 821 ratings)Returns: Set by the eBay seller; the eBay Money Back Guarantee covers an item that doesn't arrive or isn't as described.

    $649.00Free shippingVerified
    Visit eBay

Also available at

  • eBayCheck price at eBay

Store links may earn us a commission. Some prices via Klarna.

All 4 stores and price history →

Specs compared

SpecWD_BLACK SN7100 4TB NVMe SSDCorsair MP700 PRO SE Hydro X SSD
Form FactorM.2M.2
TypeSSDSSD
PlacementInternalInternal
Size (GB)40004000
InterfacePCIe Gen4 x4 NVMePCIe 5.0
colorMulticolor—
M.2 Form Factor2280—
Wi-FiNo—
TBW (terabytes written) (TB)2400—
Depth (")3.1—
Width (")0.9—
Weight (oz)0.2—
Show all 31 specsShow fewer specs
SpecWD_BLACK SN7100 4TB NVMe SSDCorsair MP700 PRO SE Hydro X SSD
Height (")0.044—
Flash Memory3D TLC—
Random Write 4KB (max) (IOPS)1350000—
Sequential Write (MB/s)6700—
Sequential Read (MB/s)7000—
Random Read 4KB (max) (IOPS)900000—
Use—Internal
Device Compatibility—PC
Wireless Connectivity—No
Durability

What reviewers say

WD_BLACK SN7100 4TB NVMe SSD

Owners of the SN7100 line generally report fast game and app loads and stable everyday performance, and the 4TB size draws praise for consolidating storage. Complaints center on sustained write speed dropping under long transfers and on the premium of the top capacity.

What people mention
  • SpeedPraisedOwners say games and apps load quickly and everyday transfers feel instant.
  • Sustained writesCriticisedLong copies slow down once the cache is exhausted, which matters for large video files.
  • ThermalsPraisedThe drive runs cool enough for laptops and console expansion without a heatsink.
  • CapacityPraisedBuyers like fitting 4TB in one slim M.2 slot.

Questions and answers

Which is better for gaming?
Both load games fast; real-world game load times differ little. The Corsair wins on raw benchmarks, but the SN7100 stays cool and is easier to fit.
Which lasts longer?
The SN7100 carries a 2,400 TBW rating and runs cool, which helps long-term reliability. The Corsair is fast but heat is its main long-term risk.
Is the Corsair worth stepping up to?
Only if you have a PCIe 5.0 slot and can cool it. Otherwise the SN7100 gives most of the speed without the heat.
Will the Corsair fit my laptop?
Rarely. Most laptops lack a Gen5 slot and room for a heatsink. The SN7100 is the safer laptop choice.
Do I need a heatsink for the Corsair?
Yes. It throttles without one under sustained load. The SN7100 does not need one.
Which is better for video editing?
The Corsair moves large files faster on a Gen5 platform. The SN7100 is still fast enough for most editing and stays cooler.

Ask our shopping agent

It checks today's price at every store, compares the alternatives and answers in about a minute.

Enter to send, Shift+Enter for a new line

More comparisons

  • WD_BLACK SN7100 M.2 2280 4TB PCI-Express 4.0 x4 TLC 3D NAND Internal Solid State Drive (SSD) vs SanDisk Ultra SSD
  • Sandisk WD Red SN700 Series 1TB M.2 2280 M-Key PCIe NVMe SSD Drive, single-sided (WDS100T1R0C) vs WD_BLACK SN7100 M.2 2280 4TB PCI-Express 4.0 x4 TLC 3D NAND Internal Solid State Drive (SSD)

Buying guides that pick them

  • Best budget 4TB NVMe SSDs
—
1,500 G (Shock)
NVMe Support—Yes
PCIe Support—Yes
Data Encryption—AES 256-bit Encryption
Security Highlights—AES 256-bit Encryption
Design Highlights—Bare drive
Typical Users—Gamers
Power Source—3.3V, +/- 5% (Voltage)
Power Consumption—Generates excess heat when it runs at full speed
Removable—No