New Price drop 3%

Samsung PM9B1

Name: Samsung PM9B1
Brand: Samsung
SKU: MZ-VL42560
Availability: InStock
Rating: 4.2 (119 reviews)

★★★★☆ 4.2 (119)

Capacity 256GB

Form Factor M.2 2280

Interface PCIe 4.0 x4

40 Overall Score

Price $65

Check Price at Amazon

Also available in:

Snapshot

Pros & Cons

Pros

Strong social proof (66th percentile) 66th
Strong speed (65th percentile) 65th

Cons

Below average feature (14th percentile)
Below average capacity (17th percentile)
Below average user sentiment (27th percentile)

What owners think

How owner sentiment changed over time

Exclusive

Based on when customers actually wrote their reviews - so you can see whether early praise held up.

72/100Our AI sentiment readmedium confidence · 10 sources · Nov 2026

The proof

Performance

Performance Percentiles

Speed 65.4

Random 60.3

Feature 14.1

Capacity 17.2

User Sentiment 27.3

Endurance 35.1

Social Proof 66.1

Specifications

Full Specifications

Drive

Capacity	256
Form Factor	M.2 2280
Interface	PCIe 4.0 x4
Protocol	NVMe
PCIe Generation	4
External	No

Reliability

Warranty (years)

vs Competition

SpecsOur scores

Spec	Samsung PM9B1	Crucial T500	Western Digital Black SN850X	SK Hynix Platinum P41	XPG GAMMIX S70 Blade	Kingston KC3000
Capacity	256GB	1TB	1TB	2TB	1TB	512GB
Form Factor	M.2 2280	M.2 2280	M.2 2280	M.2 2280	M.2 2280	M.2 2280
Interface	PCIe 4.0 x4	PCIe 4.0 x4	PCIe 4.0 x4	PCIe 4.0 x4	PCIe 4.0 x4	PCIe 4.0 x4
Seq Read	-	7,300 MB/s	7,300 MB/s	7,000 MB/s	7,400 MB/s	7,000 MB/s
Nand Type	-	TLC	TLC	TLC	TLC	TLC
Dram Cache	-	true	true	true	true	false
Endurance	-	600 TBW	600 TBW	1200 TBW	740 TBW	400 TBW
		Compare	Compare	Compare	Compare	Compare

Product	Speed	Random	Feature	Capacity	User Sentiment	Endurance	Social Proof
Samsung PM9B1	65.4	60.3	14.1	17.2	27.3	35.1	66.1
Crucial T500 Compare	90.2	95.9	98.9	54.6	94.3	83	96.6
Western Digital Black SN850X Compare	84.2	91.9	93.6	54.6	0	88	96.6
SK Hynix Platinum P41 Compare	82	96.3	93.6	78.5	0	86	58.8
XPG GAMMIX S70 Blade Compare	92.1	88.9	98.9	54.6	56.2	91.8	49.2
Kingston KC3000 Compare	87	91.1	53.1	33.8	0	92.3	96.6

Price

Value & Pricing

From $65 1 offer across 1 retailer

Amazon 1 offer From $65

Black Best Price $65

We started tracking prices for this product on Nov 8, 2026. The chart appears once we have more data.

Usage Scores

A full written review is coming soon. The specs, scores, prices and charts above are always up to date.

Similar Products

Crucial T500

92 $190

Western Digital Black SN850X

86 $185

SK Hynix Platinum P41