SynologyHDD baysIn stock when checked
DS425+
Exact identity: DS425+
4-bay NAS enclosure using Intel Celeron J4125 · 4-core, 2GB DDR4 · max 6GB, and 1 × 2.5GbE + 1 × 1GbE.
$593
$148.25 per primary bay
Lowest of 3 checked prices · Aug 31, 2026
Compare 5 stores
3 checked prices · exact-product linksAmazon$593Listed for sale · Affiliate-ready · Marketplace · verify sellerprice checked Aug 31, 2026B&H$599.99In stock when checked · Affiliate-ready · Retailerprice checked Aug 30, 2026Newegg$599.99Listed for sale · Affiliate-ready · Marketplace · verify sellerprice checked Aug 31, 2026AdoramaListed for sale · Affiliate-ready · RetailerBest BuyListed for sale · Affiliate-ready · Marketplace · verify seller
Prices appear only when a precise new-condition listing returned publishable evidence; other exact links remain available for a manual check. Recheck model, seller, condition, stock, shipping, tax, warranty, and final price.
Buying summary
4 primary storage bays plus 2 M.2 slots
1 × 2.5GbE + 1 × 1GbE
2GB DDR4 · max 6GB
Capacity planning
4 × 8TB example
about 24TB usableAn equal-drive planning example with approximately one 8TB drive reserved for redundancy.
4 × 12TB example
about 36TB usableAn equal-drive planning example with approximately one 12TB drive reserved for redundancy.
Limits to keep visible
Usable capacity depends on RAID level, drive sizes, formatting, and system overhead.
Hardware media support still depends on codec, application, and license.
Drives and any optional memory or network upgrades cost extra.