{"product_id":"dell-poweredge-m640-blade-server-build-your-own","title":"Dell PowerEdge M640 Blade 2-Bay 2.5\" Drives","description":"\u003cp\u003eThe Dell PowerEdge M640 is the 14th-generation half-height blade server for the Dell PowerEdge M1000e enclosure — built on dual-socket 2nd Generation Intel Xeon Scalable (Cascade Lake) with iDRAC9 and the same 14th gen platform advantages as the R640 rack server, in blade form factor. The M640 is the current-generation blade for M1000e infrastructure: if you have an M1000e enclosure and need new compute blades, the M640 is the platform to specify over the 13th gen M630.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCritical prerequisite:\u003c\/strong\u003e The M640 requires a compatible Dell PowerEdge M1000e enclosure. It is not a standalone server. Verify M1000e generation compatibility and I\/O module versions before ordering. See the \u003ca href=\"\/products\/dell-poweredge-m1000e-blade-enclosure\"\u003eM1000e Enclosure page\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBlade vs. rack consideration in 2026:\u003c\/strong\u003e The M1000e blade ecosystem is a mature, well-understood platform — but it's no longer Dell's current blade architecture (that's now the MX7000 modular infrastructure with MX740C\/MX840C compute sleds). Organizations with existing M1000e enclosures get good value from the M640; organizations building net-new blade infrastructure should evaluate the MX7000 platform or rack servers. We'll help you think through this at quote time.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eProcessors\u003c\/h2\u003e\u003cp\u003eSingle or dual 2nd Generation Intel Xeon Scalable (Cascade Lake) — the same processor family as the R640. Up to 28 cores per CPU, up to 56 cores \/ 112 threads dual-socket. TDP range 85W Silver through 205W Platinum. iDRAC9 with Silicon Root of Trust.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eMemory\u003c\/h2\u003e\u003cp\u003eUp to 24 DDR4 DIMM slots — 12 per CPU in dual-socket configuration. Maximum 3 TB with LRDIMMs. DDR4 at up to 2933 MT\/s on Cascade Lake at 1 DPC. Same memory architecture as R640.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eLocal Storage — 2 SFF Bays\u003c\/h2\u003e\u003cp\u003eTwo 2.5\" SAS\/SATA hot-swap bays — same local storage constraint as all half-height blade form factors. OS and application data only; primary workload storage via SAN through M1000e switching fabric. PERC H730P for local RAID. BOSS module available on 14th gen blade configurations for dedicated OS boot.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eNetworking\u003c\/h2\u003e\u003cp\u003eM640 mezzanine cards connect to M1000e I\/O modules. 10 GbE and 25 GbE mezzanine options available. Confirm I\/O module compatibility with planned mezzanine at quote time — Gen10+ Virtual Connect modules provide better feature sets than older Flex-10 infrastructure for M640 deployments.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eOur Assessment\u003c\/h2\u003e\u003cp\u003eThe M640 is the right blade for M1000e environments — iDRAC9, Xeon Scalable, 24 DIMM slots, current-gen management and security. For organizations with M1000e enclosures deploying new compute capacity, the M640 is the clear upgrade from M630. For organizations building new infrastructure without an existing blade chassis, evaluate whether M1000e\/M640 or rack servers (R640, R440) provide better economics for your deployment model.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eNavigation:\u003c\/strong\u003e 13th gen blade → \u003ca href=\"\/products\/dell-poweredge-m630-blade-chassis\"\u003eM630 Blade [13th Gen]\u003c\/a\u003e. M1000e enclosure → \u003ca href=\"\/products\/dell-poweredge-m1000e-blade-enclosure\"\u003eM1000e Enclosure\u003c\/a\u003e. Rack alternative → \u003ca href=\"\/products\/dell-poweredge-r640-8-bay-build-your-own\"\u003eR640 8-Bay\u003c\/a\u003e. Next-gen modular → \u003ca href=\"\/products\/dell-poweredge-mx740c-build-your-own\"\u003eMX740C Compute Sled\u003c\/a\u003e.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eWorkload Fit\u003c\/h2\u003e\u003ctable\u003e  \u003ctr\u003e\n\u003cth\u003eM640 is appropriate for\u003c\/th\u003e\n\u003cth\u003eConsider rack servers for\u003c\/th\u003e\n\u003c\/tr\u003e  \u003ctr\u003e\n\u003ctd\u003e✅ Expanding existing M1000e infrastructure (14th gen)\u003c\/td\u003e\n\u003ctd\u003e❌ No existing M1000e enclosure\u003c\/td\u003e\n\u003c\/tr\u003e  \u003ctr\u003e\n\u003ctd\u003e✅ Upgrading M630 blades to Xeon Scalable\u003c\/td\u003e\n\u003ctd\u003e❌ New infrastructure without blade chassis\u003c\/td\u003e\n\u003c\/tr\u003e  \u003ctr\u003e\n\u003ctd\u003e✅ SAN-connected compute in M1000e blade form\u003c\/td\u003e\n\u003ctd\u003e❌ Local storage-primary workloads\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003chr\u003e\u003ch2\u003eReady to Configure?\u003c\/h2\u003e\u003cp\u003eBlade configurations require M1000e compatibility verification. Contact our account team with your enclosure details, I\/O module versions, workload type, and quantity. We respond within 24 hours.\u003c\/p\u003e","brand":"Dell","offers":[{"title":"Default Title","offer_id":45951281987783,"sku":"BP-012636","price":540.05,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0748\/4493\/0247\/files\/server-design-lab-dell-poweredge-m640-2-bay-25-drives-508781.png?v=1765539707","url":"https:\/\/wholesaleservers.com\/products\/dell-poweredge-m640-blade-server-build-your-own","provider":"Wholesale Servers","version":"1.0","type":"link"}