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Seagate FireCuda 530R SSD vs SanDisk Ultra SSD

The FireCuda 530R is the faster drive by a wide margin: PCIe 4.0 NVMe with rated sequential reads around 7,400 MB/s and writes around 7,000 MB/s, versus SATA limits near 560 MB/s on the SanDisk Ultra. The SanDisk is a 2.5-inch SATA drive with a strong owner rating and simple drop-in fit for older laptops and desktops. Buy the Seagate for a modern PC or laptop with an M.2 slot and for gaming, large file work or video editing. Buy the SanDisk for an older machine with only a 2.5-inch bay, or as a cheap secondary drive.

  • Choose the FireCuda 530R if your board has an M.2 PCIe 4.0 slot and you want the fastest load times and file transfers.
  • Choose the SanDisk Ultra if you are upgrading an older laptop or desktop that only takes a 2.5-inch SATA drive.

Prices

  • Seagate FireCuda 530R SSD: $249.95 at eBay (checked today)
  • SanDisk Ultra SSD: $74.99 at MelroseMAC (checked today)
  • Difference: the SanDisk Ultra SSD is $174.96 cheaper than the Seagate FireCuda 530R SSD today
Seagate
Seagate FireCuda 530R 1TB Internal SSD PCIe Gen 4 x4 NVMe

Seagate FireCuda 530R SSD

Seagate FireCuda 530R 1TB Internal SSD PCIe Gen 4 x4 NVMe

3.8(70 ratings)
$249.95at eBayObserved at 9:40 AM
See all prices and details
Visit eBay

Store links may earn us a commission.

Pros
  • PCIe 4.0 speeds several times faster than SATA
  • High endurance rating of 1,100 TBW on 1TB
  • Fast random write for gaming and app loading
  • M.2 2280 fits most modern laptops and boards
Cons
  • Needs an M.2 PCIe slot; no use in older SATA-only machines
  • Lower owner rating than the SanDisk
  • Runs warm under sustained writes; a heatsink helps
SanDisk
SanDisk Ultra SSD

SanDisk Ultra SSD

4.8(1,500 ratings)
$74.99at MelroseMACObserved at 8:07 AM
See all prices and details
Visit MelroseMAC
Pros
  • Fits older laptops and desktops with a 2.5-inch bay
  • Very high owner rating across many reviews
  • Shock and vibration resistant, no moving parts
  • Low idle power draw
Cons
  • SATA speeds cap near 560 MB/s
  • Lower endurance at 600 TBW
  • No NVMe or PCIe support
  • Encryption is not enabled out of the box

What separates them

Seagate FireCuda 530R SSDSanDisk Ultra SSD
InterfacePCIe 4.0 x4 NVMeSATA III 6 Gb/s
Sequential readUp to 7,400 MB/sUp to 560 MB/s
Sequential writeUp to 7,000 MB/sUp to 530 MB/s
Form factorM.2 2280, screws into the board2.5-inch, fits a drive bay with cables
Endurance (TBW)1,100 TB on the 1TB model600 TB
Random 4KB writeUp to 1,300,000 IOPSUp to 82,000 IOPS
Owner rating3.8 out of 5 from 70 ratings4.8 out of 5 from 1,500 ratings
CompatibilityNeeds an M.2 slot and PCIe supportWorks in any 2.5-inch SATA bay

Price history

$288.30$74.99
Nov 3Nov 9
  • Seagate FireCuda 530R SSD: lowest $161.99 on Nov 9 at Quill.
  • SanDisk Ultra SSD: lowest $74.99 on Nov 9 at MelroseMAC.

Prices at every store

Seagate FireCuda 530R SSD

  • eBayNew

    Availability unknownSold by techbuyer_usa_outlet (99.7% positive, 6,900 ratings)Returns: Set by the eBay seller; the eBay Money Back Guarantee covers an item that doesn't arrive or isn't as described.

    $249.95Free shippingObserved at 9:40 AM
    Visit eBay
  • Minko’s GamingNew

    Availability unknown

    $288.30Observed Nov 3, 2026, 7:13 AM
    Visit Minko’s Gaming
  • PacmaxNew

    Availability unknown

    $470.00Observed Nov 3, 2026, 7:16 AM
    Visit Pacmax
  • PondeskNew

    Availability unknown

    $874.99Observed Nov 3, 2026, 7:16 AM
    Visit Pondesk

Store links may earn us a commission.

All 8 stores and price history →

SanDisk Ultra SSD

  • MelroseMACNew

    In stock

    $74.99Observed at 8:07 AM
    Visit MelroseMAC
  • PCNationNew

    Availability unknown

    $186.66Observed at 8:07 AM
    Visit PCNation
  • eBayNew

    Availability unknownSold by toprated-93 (98.7% positive, 422 ratings)Returns: Set by the eBay seller; the eBay Money Back Guarantee covers an item that doesn't arrive or isn't as described.

    $259.00+ $5.80 shippingObserved at 8:07 AM
    Visit eBay
  • serverblink.comNew

    Availability unknown

    $275.50Observed Nov 3, 2026, 7:13 AM
    Visit serverblink.com

Also available at

  • eBayCheck price at eBay
  • WalmartCheck price at Walmart

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All 14 stores and price history →

Specs compared

SpecSeagate FireCuda 530R SSDSanDisk Ultra SSD
InterfacePCI Express 4.0SATA
TypeInternalSSD
Form FactorM.2 22802.5 inch
ColorBlackMulticolor
TBW (terabytes written) (TB)1100600
Depth (")3.23.957
Width (")1.02.756
PlacementInternalInternal
Size (GB)10004000
Height (")0.40.276
Random Write 4KB (max) (IOPS)130000082000
Sequential Write (MB/s)7000530
Show all 40 specsShow fewer specs
SpecSeagate FireCuda 530R SSDSanDisk Ultra SSD
Sequential Read (MB/s)7400560
Random Read 4KB (max) (IOPS)130000095000
NVMe Version1.4—
SSD Capacity2 TB—
SSD Form FactorM.2—
NVMeYes—
Memory Type3D TLC—
Component ForPC—
M.2 SSD Size2280 (22 x 80 mm)—
Connection

What reviewers say

Seagate FireCuda 530R SSD

  • 3.8 / 570 ratings

Buyers rate the drive 3.8 out of 5 from 70 ratings, so opinion is divided. Many praise the speed and build, while others report heat and reliability concerns.

What people mention
  • SpeedPraisedOwners say game loads and big file transfers feel quick.
  • HeatCriticisedSeveral buyers report the drive running hot under sustained writes.
  • ReliabilityCriticisedA minority report drives failing or disappearing from the system.
  • ValueMixedSome think the price is fair for TLC and endurance; others say rivals cost less.

SanDisk Ultra SSD

  • 4.8 / 51,500 ratings

Rated 4.8 out of 5 from 1,500 ratings, buyers treat it as a reliable, easy SATA upgrade. Complaints center on it being slower than NVMe drives and on the missing encryption.

What people mention
  • SpeedPraisedOwners say it wakes up older machines and cuts boot times compared with a hard drive.
  • SATA limitCriticisedBuyers note it tops out near 560 MB/s and can't match NVMe drives.
  • InstallPraisedThe standard 2.5-inch format makes it a straightforward swap in most older PCs.
  • EncryptionCriticisedThe controller supports 256-bit encryption, but it isn't implemented, which disappoints security-minded buyers.

Questions and answers

Which is better for gaming?
The FireCuda 530R. Its PCIe 4.0 interface and high random IOPS cut game load times and level streaming far more than the SATA-bound SanDisk Ultra can.
Will the SanDisk Ultra work in my laptop?
Only if the laptop has a 2.5-inch SATA bay. Many thin laptops have only an M.2 slot, in which case the FireCuda is the one that fits.
Which lasts longer?
The FireCuda 530R carries a higher endurance rating, 1,100 TBW on the 1TB model against 600 TBW for the SanDisk Ultra. Both are reliable for normal desktop use.
Is the FireCuda worth stepping up to?
Yes if your machine supports NVMe. The speed gap is large for boot times, large file transfers and games. If you only have SATA ports, the SanDisk is the practical choice.
Does the SanDisk Ultra support encryption?
Its controller supports 256-bit encryption, but it is not enabled by default. The FireCuda 530R is the better pick if you want built-in security features.
Can I use both in one PC?
Yes. Put the FireCuda in the M.2 slot for the OS and games, and the SanDisk in a 2.5-inch bay for bulk storage.

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M.2
—
Capacity1 TB, 2 TB, 4 TB—
M.2 Form Factor2280—
Wi-FiNo—
Weight (oz)1.7—
Flash Memory3D TLC—
MTBF (mean time between failures) (h)1800000—
Use—Internal
Device Compatibility—PC
Wireless Connectivity—No
Durability—Shock resistant, Vibration resistance
Read Speed—560 MB/s
Write Speed—84K IOPS (random)
NVMe Support—No
PCIe Support—No
Cache—nCache 2.0
Data Encryption—No (256-bit encryption supported by controller …
Security Highlights—Hardware-based encryption
Design Highlights—Uses less power, 3D NAND provides greater endur…