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Silver rectangular 2.5 inch SSD with black label and Samsung branding

SAMSUNG Refurbished

SAMSUNG 850 PRO MZ-7KE512BW 512GB 2.5" SATA internal SSD

SKU CH-GG60-TRNR5 MPN MZ-7KE512BW

A 2.5-inch SATA internal SSD with 512GB capacity, 3D V-NAND using 32 stacked layers, up to 550 MBps read and 520 MBps write, and 2,000,000 hours MTBF

  • Total capacity512 GB
  • Sequential read speedUp to 550 MB/s
  • Sequential write speedUp to 520 MB/s
  • Interface typeSATA III
  • Form factor2.5 in (6.35 cm)
  • Product typeInternal Solid State Drive (SSD)
  • Faster boot and load times with up to 550 MBps sequential read
  • Responsive multitasking backed by up to 100000 IOPS random read
  • Proven long-term reliability with 2000000 hours MTBF
  • Lower energy draw at 3.50 W active and 0.05 W idle
  • Higher density in a 2.5 inch form factor using 32-layer 3-D Vertical NAND

512GB SATA III SSD for consumer workloads

The Samsung 850 PRO MZ-7KE512BW is a 2.5 inch internal solid-state drive built for everyday computing. It offers 512GB of storage using 3-D Vertical V-NAND technology with 32 stacked cell layers. The drive connects through a standard SATA III interface and is rated for a 2,000,000 hour MTBF.

2.5 inch form factor fits standard drive bays

The 2.5 inch design slides directly into laptop bays or desktop cages without adapters. SATA III connectors provide broad compatibility with existing motherboards and enclosures. Operating temperatures range from 0°C to 70°C with humidity tolerance from 5% to 95% RH. Idle power draw is 0.05W and active consumption reaches 3.50W.

Sequential speeds up to 550 MBps read

The Samsung MEX controller delivers up to 100,000 IOPS random read and 90,000 IOPS random write for responsive multitasking. V-NAND architecture increases density while maintaining performance within a compact footprint. Device Sleep support reduces energy use during standby periods in compatible ultrabooks.

How it compares

Measured against everything we stock in Internal NVMe & SATA SSDs, at today’s prices. Recalculated every night.

Price $176.99
Typical for this category: the median of 1,994 items is $180.49.
Total capacity 512 GB
Lower than about 60% of the 1,368 comparable items (median 1 TB).
Sequential read speed Up to 550 MB/s
Lower than about 70% of the 1,180 comparable items (median 2,400 MB/s).
Price per TB $345.68 per TB
Pricier than about 80% of the 1,362 comparable items (median $165.50 per TB).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameSAMSUNG
Product line850 PRO
Model nameMZ-7KE512BW
Total capacity512 GB
Product typeInternal Solid State Drive (SSD)
Intended useConsumer
Performance
Sequential read speedUp to 550 MB/s
Sequential write speedUp to 520 MB/s
Random read (4K)Up to 100,000 IOPS
Random write (4K)Up to 90,000 IOPS
Storage
NAND flash type3-D Vertical
Controller chipSamsung MEX Controller
Ports & slots
Interface typeSATA III
Power
Idle power draw0.05 W
Active power draw3.5 W
Size & build
Form factor2.5 in (6.35 cm)
Overall height7 mm
Overall width69.85 mm
Product depth100 mm
Product weight0.14 lb (0.06 kg)
Shipping weight0.11 kg
Package size146 × 145 × 19 mm
Environment & compliance
Operating temperature range0 °C to 70 °C
Operating humidity range5% to 95% RH
More details
Mean time between failures2,000,000 h

Questions about this item

Does the SATA III interface on this 850 PRO 512 GB drive cap sequential speeds at 550 MBps read and 520 MBps write?

Yes, the SATA III link limits the MZ-7KE512BW to a maximum sequential read of 550 MBps and a maximum sequential write of 520 MBps.

What physical space and connectors does the 2.5 inch 850 PRO need to fit in a laptop or desktop?

The drive uses the standard 2.5 inch form factor with SATA data and power connectors, so it fits any bay or caddy that accepts a 2.5 inch SATA SSD.

How is the Samsung 850 PRO installed, and which step do people often miss?

Connect the SATA data and power cables, secure the drive in the bay, then enable AHCI mode in the system BIOS before installing the operating system.

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