SAMSUNG 870 EVO 250GB SATA 2.5″ SSD

Description

Overview

The Samsung 870 EVO 250GB is a 2.5″ SATA III internal solid‑state drive designed for client PCs and system upgrades. It combines Samsung’s V‑NAND technology with the MKX controller and an on‑board DRAM cache to deliver fast boot, application load and file transfer times while keeping wide device compatibility. ([download.semiconductor.samsung.com](https://download.semiconductor.samsung.com/resources/data-sheet/Samsung_SSD_870_EVO_Data_Sheet_Rev1.1_230509_10129500071091.pdf))

Key features

• Capacity: 250GB (labelled decimal gigabytes; usable capacity is lower). ([download.semiconductor.samsung.com](https://download.semiconductor.samsung.com/resources/data-sheet/Samsung_SSD_870_EVO_Data_Sheet_Rev1.1_230509_10129500071091.pdf))
• Interface: SATA III (6 Gb/s), backward compatible with 3 Gb/s and 1.5 Gb/s. ([download.semiconductor.samsung.com](https://download.semiconductor.samsung.com/resources/data-sheet/Samsung_SSD_870_EVO_Data_Sheet_Rev1.1_230509_10129500071091.pdf))
• Form factor & dimensions: 2.5″; 100 x 69.85 x 6.8 mm. ([download.semiconductor.samsung.com](https://download.semiconductor.samsung.com/resources/data-sheet/Samsung_SSD_870_EVO_Data_Sheet_Rev1.1_230509_10129500071091.pdf))
• DRAM cache: 512MB LPDDR4 for the 250GB model. ([download.semiconductor.samsung.com](https://download.semiconductor.samsung.com/resources/data-sheet/Samsung_SSD_870_EVO_Data_Sheet_Rev1.1_230509_10129500071091.pdf))
• Controller & NAND: Samsung MKX controller with Samsung V‑NAND 3bit MLC (TLC). ([download.semiconductor.samsung.com](https://download.semiconductor.samsung.com/resources/data-sheet/Samsung_SSD_870_EVO_Data_Sheet_Rev1.1_230509_10129500071091.pdf))
• Encryption & features: AES 256‑bit full disk encryption, TCG/Opal 2.0, S.M.A.R.T., TRIM support. ([download.semiconductor.samsung.com](https://download.semiconductor.samsung.com/resources/data-sheet/Samsung_SSD_870_EVO_Data_Sheet_Rev1.1_230509_10129500071091.pdf))

Performance & endurance

Peak sequential read speed is up to 560 MB/s; sequential write is listed up to 530 MB/s, but for the 250GB model sustained writes outside Samsung’s Intelligent TurboWrite region are typically lower (after TurboWrite the sustained write rate for 250GB/500GB models is specified around 300 MB/s). Random 4KB performance reaches up to 98,000 IOPS (QD32 read) and 88,000 IOPS (QD32 write) in Samsung’s test conditions. ([download.semiconductor.samsung.com](https://download.semiconductor.samsung.com/resources/data-sheet/Samsung_SSD_870_EVO_Data_Sheet_Rev1.1_230509_10129500071091.pdf))

Warranty & reliability

The 250GB 870 EVO carries a manufacturer endurance rating of 150 TBW and a five‑year limited warranty (whichever comes first). Samsung quotes an MTBF of 1.5 million hours and supplies typical operating and non‑operating environmental limits in the product datasheet. ([download.semiconductor.samsung.com](https://download.semiconductor.samsung.com/resources/data-sheet/Samsung_SSD_870_EVO_Data_Sheet_Rev1.1_230509_10129500071091.pdf))

Package & identifiers

This listing corresponds to Samsung model code MZ‑77E250B and the EU variant MZ‑77E250B/EU; the EAN/GTIN is 8806090545931. Confirm regional model code and packaging when purchasing from third‑party sellers. ([rapidonline.com](https://www.rapidonline.com/samsung-mz-77e250b-eu-870-evo-ssd-250-gb-2-5-inch-sata-6-gbps-internal-storage-17-5496?utm_source=openai))