: If you aren't strictly tied to the 850 series, the Samsung 870 EVO is the current-generation replacement. It offers slightly improved reliability and is more widely available at lower prices from mainstream retailers.

: This is the high-capacity 2.5-inch version, offering ample space and the series' standard 540/520 MB/s read/write speeds. It is currently available at GSR - серверные комплектующие for 8,355 RUB .

: If your motherboard supports it, moving to an M.2 NVMe drive like the Samsung 990 EVO or 990 Pro will provide significantly faster speeds than any SATA drive.

: A solid mid-range capacity option for OS drives or secondary storage. You can find this in stock at eSaitech for approximately 10,461.75 RUB .

: Specifically for older laptops or small form factor PCs that require the mSATA interface rather than standard 2.5-inch SATA. Available at eSaitech for 11,214.39 RUB . Buyer's Advice

If you are specifically looking for the 850 EVO to match an existing system or for its proven reliability, here are current options from reputable merchants: