{"product_id":"adaptec-raid-78165-6gb-s-sas-raid-controller-highdensity-pcie","title":"ADAPTEC RAID 78165 6Gb\/s SAS RAID Controller - HighDensity PCIe","description":"\u003cp\u003eIn this review the ADAPTEC RAID 78165 is evaluated for system builders and IT pros who need a high-density hardware RAID solution. The bottom line: this plug-in card delivers robust RAID offload and support for multiple RAID levels across many drives, making it a practical choice where throughput and drive scalability matter. Our review finds it especially useful for servers and workstations that require a dedicated controller to manage traditonal SAS arrays while freeing CPU cycles for other tasks.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e6Gb\/s SAS throughput:\u003c\/strong\u003e Provides a reliable interface for modern SAS drives, helping maintain sustained data transfer rates under load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePCI Express 3.0 x8:\u003c\/strong\u003e Uses a wide PCIe lane configuration to reduce bottlenecks between the controller and host system for heavier I\/O workloads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardware RAID support:\u003c\/strong\u003e Offloads RAID calculations for levels 0, 1, 1E, 5, and 6 so the system CPU is less taxed during parity operations and rebuilds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e24 SAS ports:\u003c\/strong\u003e Enables high disk counts on a single controller, simplifying expansion in dense storage builds or multi-bay enclosures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnterprise focus:\u003c\/strong\u003e Designed as a plug-in card with server-class features that fit into rackmount or tower systems for centralized storage management.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThe RAID 78165 is aimed at system integrators, small datacenter deployments, and advanced workstation owners who need a dedicated RAID controller for many SAS drives. It suits environments where multiple hot-swap bays or multi-drive enclosures are present and where RAID levels 5 or 6 are preferred for redundancy with usable capacity.\u003c\/p\u003e\n\u003cp\u003eIt is not ideal for casual desktop users or those who rely solely on single-drive setups; if you only need simple SATA support or a consumer-grade integrated controller, a lower-cost option may be a better fit. Also, buyers should ensure system compatibility with PCIe 3.0 x8 slots and have appropriate chassis routing for 24 SAS connections.\u003c\/p\u003e\n\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHigh port count simplifies large drive arrays and reduces the need for multiple controllers.\u003c\/li\u003e\n\u003cli\u003eHardware RAID support for several levels improves reliability and reduces CPU overhead during parity calculations.\u003c\/li\u003e\n\u003cli\u003ePCIe 3.0 x8 connectivity helps sustain transfer performance for demanding workloads.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRequires compatible server hardware and drive enclosures to take advantage of all 24 SAS ports, which increases system complexity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eRAID 78165\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterface\u003c\/td\u003e\n\u003ctd\u003ePCI Express 3.0 x8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSAS Speed\u003c\/td\u003e\n\u003ctd\u003e6Gb\/s per port\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRAID Levels\u003c\/td\u003e\n\u003ctd\u003e0, 1, 1E, 5, 6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePort Count\u003c\/td\u003e\n\u003ctd\u003e24 SAS ports\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eForm Factor\u003c\/td\u003e\n\u003ctd\u003ePlug-in card\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe ADAPTEC RAID 78165 is a pragmatic choice for those building storage-dense systems that need hardware RAID and many SAS connections. It represents good value when used in appropriate server or workstation builds because it combines reliable RAID offload with a high port count, but buyers should be prepared for the integration work required to route and populate up to 24 drives.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eHow many drives can this controller support?\u003c\/strong\u003e\u003cbr\u003eThe card exposes 24 SAS ports, so the number of drives depends on how many ports are populated through direct connections or expanders.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it support parity RAID levels?\u003c\/strong\u003e\u003cbr\u003eYes, the controller supports RAID 5 and RAID 6 for parity-based redundancy.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat slot is required?\u003c\/strong\u003e\u003cbr\u003eIt requires a PCI Express 3.0 x8 compatible slot to operate at the intended bandwidth.\u003c\/p\u003e","brand":"Adaptec","offers":[{"title":"Default Title","offer_id":48225229963483,"sku":"B00G2CR242","price":198.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/61BQHgpDfqL._AC_SL1000.jpg?v=1770808222","url":"https:\/\/gearmusthave.com\/products\/adaptec-raid-78165-6gb-s-sas-raid-controller-highdensity-pcie","provider":"GearMustHave","version":"1.0","type":"link"}