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Lexar SSD ARES PRO 2TB vs WD_BLACK SN850X 2 TB

An overall editorial verdict is not available for this pair yet. Your priorities and current prices can change the better choice.

Start with the tradeoffs

Consider Lexar SSD ARES PRO 2TB for

  • Interface: PCIe 5.0 x4 NVMe
  • Listed endurance: 1,500 TBW
  • Form factor: M.2 2280 (single-sided, 2.45mm)

Tradeoff: Check slot compatibility, exact capacity and heatsink clearance before purchase.

Consider WD_BLACK SN850X 2 TB for

  • Best PCIe 4.0 sustained speed under load
  • 5-year warranty
  • Excellent gaming/load times

Tradeoff: PCIe 4.0 not 5.0

Scores and judgments are editorial. Specdex does not run an in-house benchmark lab. Manufacturer claims and independent measurements may use different test conditions.

Specifications side by side

Arrows indicate a higher capacity, higher power rating, or lower weight/time for comparable simple quantities. They do not establish overall product quality. Unknown values remain unavailable.

Lexar SSD ARES PRO 2TB versus WD_BLACK SN850X 2 TB specifications
SpecificationLexar SSD ARES PRO 2TBWD_BLACK SN850X 2 TB
Form factorM.2 2280 (single-sided, 2.45mm)Not documented
InterfacePCIe 5.0 x4 NVMePCIe 4.0 x4 NVMe 1.4
Sequential read14,000 MB/s7300 MB/s
Sequential write10,000 MB/s6600 MB/s
Random read2,000,000 IOPSNot documented
Random write1,500,000 IOPSNot documented
Controller8-channel, reported MaxioTek MAP1806 classNot documented
NAND3D TLCBiCS5 TLC
DRAMDRAM-less (HMB, per ComputerBase report)Not documented
Endurance1,500 TBW1200 TBW (2TB)
Warranty5 years5 years
CapacityNot documented1 / 2 / 4 / 8 TB

Lexar SSD ARES PRO 2TB

Prices & availability

US launch / reference: $200. This is not a current retailer offer.

Checking current offers…

Price history
History appears when an approved retailer provides observations.
Watch for a price drop →

Prices apply to the listed configuration and condition. Tax and shipping are not included unless the retailer states otherwise.

WD_BLACK SN850X 2 TB

Prices & availability

US launch / reference: $219. This is not a current retailer offer.

Checking current offers…

Price history
History appears when an approved retailer provides observations.
Watch for a price drop →

Prices apply to the listed configuration and condition. Tax and shipping are not included unless the retailer states otherwise.

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