{"product_id":"diliving-mcio-x8-to-2-slimsasx4-sff-ta-1016-74pin-to-2-sff-ta-1016-38pin-pcie-gen5-mini-cooledge-io-double-straight-cable-80cmcbl-mcio-1235m5y","title":"DiLinKer MCIO x8 to 2*SlimSAS x4, SFF-TA-1016 74Pin to 2*SFF-8654 38Pin, PCIe Gen5 Mini Cooledge IO, Double Straight Cable 80cm","description":"\u003cp\u003eA PCIe 5.0 bridge between the two newest internal storage connectors. The DiLinKer DLMC74-8871 takes one MCIO 8x host connector (SFF-TA-1016, 74-pin) and splits its eight lanes into two SlimSAS 4x ports (SFF-8654, 38-pin), four lanes each. Use it to feed SlimSAS-generation backplanes and devices from a board that only exposes MCIO headers — increasingly the case on current PCIe 5.0 platforms.\u003c\/p\u003e\n\u003ch2\u003eWhy this cable\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePCIe 5.0 rated, 32 GT\/s per lane.\u003c\/strong\u003e Two full x4 links, each up to about 15.75 GB\/s, with backward compatibility to Gen4 and Gen3.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e8 lanes in, 2 × x4 out.\u003c\/strong\u003e A physical lane split — no switch chip, no retimer, nothing to configure in the OS.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt to the SFF pinouts.\u003c\/strong\u003e SFF-TA-1016 on the host side, SFF-8654 38-pin on the device side.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDouble straight construction.\u003c\/strong\u003e Both legs leave the host connector as separate straight runs for clean routing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePassive assembly.\u003c\/strong\u003e No power draw, no firmware, no driver.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable style=\"border-collapse:collapse;width:100%;font-size:14px;\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 10px;background:#fafafa;width:38%;\"\u003e\u003cstrong\u003eHost connector\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 10px;\"\u003eMCIO 8x, SFF-TA-1016, 74-pin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 10px;background:#fafafa;width:38%;\"\u003e\u003cstrong\u003eDevice connectors\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 10px;\"\u003e2 × SlimSAS 4x, SFF-8654, 38-pin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 10px;background:#fafafa;width:38%;\"\u003e\u003cstrong\u003eLane configuration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 10px;\"\u003e8 host lanes → 2 × 4 device lanes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 10px;background:#fafafa;width:38%;\"\u003e\u003cstrong\u003ePCIe generation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 10px;\"\u003ePCIe 5.0 (32 GT\/s per lane); backward compatible with 4.0 \/ 3.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 10px;background:#fafafa;width:38%;\"\u003e\u003cstrong\u003eBandwidth per port\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 10px;\"\u003eUp to 128 GT\/s (about 15.75 GB\/s at Gen5 x4)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 10px;background:#fafafa;width:38%;\"\u003e\u003cstrong\u003eProtocol\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 10px;\"\u003ePCIe only — the MCIO host port carries no SAS or SATA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 10px;background:#fafafa;width:38%;\"\u003e\u003cstrong\u003eLength\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 10px;\"\u003e80 cm \/ 31.5 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 10px;background:#fafafa;width:38%;\"\u003e\u003cstrong\u003ePart number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 10px;\"\u003eDLMC74-8871\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 10px;background:#fafafa;width:38%;\"\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 10px;\"\u003eB0DPMCPHPD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 10px;background:#fafafa;width:38%;\"\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 10px;\"\u003e24 months\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWorks with\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePCIe 5.0 server and workstation boards with an MCIO 8x (SFF-TA-1016 74-pin) header.\u003c\/li\u003e\n\u003cli\u003eSlimSAS 4x (38-pin) inputs on NVMe backplanes, U.2 adapters and drive cages.\u003c\/li\u003e\n\u003cli\u003ePCIe 4.0 and 3.0 equipment — links negotiate down automatically.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eDoes not work with\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSlimSAS hosts. This cable is driven from the MCIO side only.\u003c\/li\u003e\n\u003cli\u003eSAS-only controllers. The MCIO port carries PCIe lanes, so SAS backplanes fed from an SAS controller need a SAS cable.\u003c\/li\u003e\n\u003cli\u003eOEM systems that re-map the MCIO pinout (some Dell, HPE and Lenovo chassis) — check with us first.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTypical deployments\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGen5 NVMe tier.\u003c\/strong\u003e Feed a SlimSAS-input NVMe backplane from a Gen5 board without a switch card.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBoard refresh.\u003c\/strong\u003e Keep SlimSAS-generation storage hardware when the new platform only has MCIO headers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDense chassis routing.\u003c\/strong\u003e Two straight 4x legs are easier to dress than one 8x bundle.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\u003ch3\u003eDo I need to enable PCIe bifurcation?\u003c\/h3\u003e\n\u003cp\u003eIf the board wires the MCIO 8x header as a single x8 root port, yes — enable x4x4 bifurcation for that header in the BIOS. Many server boards already present the header as 2 × x4 or drive it from a PCIe switch, in which case no setting is needed. The board manual will say which.\u003c\/p\u003e\n\u003ch3\u003eIs 80 cm too long for PCIe 5.0?\u003c\/h3\u003e\n\u003cp\u003eAt 32 GT\/s, long passive runs leave little signal margin. If a link trains below Gen5, shorten the run, improve routing, or accept Gen4 operation — the hardware negotiates automatically and nothing is damaged.\u003c\/p\u003e\n\u003ch3\u003eCan this cable carry SAS?\u003c\/h3\u003e\n\u003cp\u003eNo. SlimSAS the connector can carry SAS, but your MCIO host port only carries PCIe lanes, so the device side must be PCIe equipment such as an NVMe backplane.\u003c\/p\u003e\n\u003ch3\u003eMCIO or SlimSAS — which one is on my board?\u003c\/h3\u003e\n\u003cp\u003eCheck the header: MCIO (SFF-TA-1016) has a distinct housing and latch from SlimSAS (SFF-8654). Send us a photo of the header if you are unsure and we will identify it.\u003c\/p\u003e\n\u003ch2\u003eIn the box\u003c\/h2\u003e\n\u003cul\u003e\u003cli\u003e1 × MCIO 8x to 2 × SlimSAS 4x cable, 80 cm (SKU B0DPMCPHPD)\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003eBacked by a 24-month warranty. If a link trains at reduced width or does not appear, contact us with your controller and device models and we will help you isolate the cause.\u003c\/p\u003e\n\u003ch2\u003eRelated\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/diliving.net\/collections\/mini-cooledge-iomcio\"\u003eAll MCIO \/ Mini Cool Edge IO cables\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/diliving.net\/collections\/slimsassff-8654\"\u003eAll SlimSAS (SFF-8654) cables\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/diliving.net\/products\/mcio-x8-to-2x-u-2-nvme-adapter-sff-ta-1016-gen5-80cm\"\u003eMCIO x8 to 2× U.2 NVMe, PCIe Gen5, 80 cm\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"DiliVing","offers":[{"title":"Default Title","offer_id":49676532613416,"sku":"B0DPMCPHPD","price":48.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0866\/1460\/6120\/files\/FullSizeRender.jpg?v=1735699383","url":"https:\/\/diliving.net\/products\/diliving-mcio-x8-to-2-slimsasx4-sff-ta-1016-74pin-to-2-sff-ta-1016-38pin-pcie-gen5-mini-cooledge-io-double-straight-cable-80cmcbl-mcio-1235m5y","provider":"DiLiVing Professional Computer Cable Store","version":"1.0","type":"link"}