XS21, 1U4 disk 3.5-inch direct connection backplane , 1U rack type model; Intel C621 series chipset; Supports two Intel Xeon Platinum/Gold/Silver/Bronze processors; 24 DDR4 ECC RDIMM memory slots; Supports four 3.5 inch hard disks or SSDs in front, with

. 3DConnexion 3Logic 3Logic Crusader 3Logic Lime 3Y 70mai A4TECH AASTRA ABB Ablecom Absen ACBEL AcBel Polytech Inc ACD Acer Acer Altos ACES Connectors Adam Hall Adaptec ADATA ADLink Advantech AeroCool AET Afox Agestar AGI AgileX AIC AirLive Aiwa Ajax Akasa AKG Albeo ALG Allen&Heath Allied Telesis Almi Partner Alphacool ALSEYE AMD AMD Radeon AMI Amphenol AMX Anybotics AOC AOpen AORUS Apacer APART APART (BIAMP) APC APC by Schneider Electric Apple Apricot Aqara AQUAMARINE Aquarius Arctic Cooling AREC Areca Arista ASANO ASPower ASRock Asrock Rack Astra Linux ASTRUM ASUS ASUS - INTEL ASUSTOR ATCOM ATEN ATI-Sapphire Atten AUDFLY Audipack AUVIX Avago Avalon Avance AVC AVER Media AVerMedia AverVision Avision Avocent AVONIC Axiomtek AYANEO AzureWave B.B.Battery Baikal Barco BBK be quiet BEL Benq Benro BIAMP BIOSTAR BIQU Bitmain BLACK+DECKER Blackmagic Blue Fish Bluesound Professional Bmorn BOOCO BOSCH Botslab Botzees brand_156 brand_751 brand_81 BRAYER Broadcom Broadcom_LSI Brocade Brother BSS BTicino Buro C3Solution Cabeus Cablexpert Cactus CAMBRIDGE Cambridge Audio Canaan Canon Casio Caswell CERTES CET Chairman Chelsio Chenbro Chief CHIEFTEC CHILKOOT CHiQ Christie CipherLab Cisco Cisco SB CITIC Citizen ClearOne CleverCare Clevo Colorful COMMUNITY Compal Compuware Continent Cooler Master Cooljag Coolzer Corsair Cougar CP Creative Crestron Crown Crucial Crusader CSB CUKTECH Current Audio CWAP CyberPower CyberToy d&b audiotechnik D-Link Da-lite Dahua Dahua Technology DALI DapuStor Darkflash Datalogic DBX Deep Robotics Deepcool Deerma Defender Defunc Deli Dell Dell Technologies DELTA DELTA Battery Denon/Marantz DEPO DEWALT Digibird Digis Digis™ Digma Dimprom DIS DJI Dream Machines Dreamapp Dreame DS Proaudio DSPPA DWWX Dyson EAE Technology ECLER Ecorouter ECOVACS Edge-corE Edifier Edu-Consulting Einstein Elari ELEMY Eligovision EliteGroup (ECS) Eltex EMACS EMACS (Zippy) Empire Emulex Enermax Entel Epiphan Epomaker Epos Epson Esonic Espada Eurocase Evercool EVGA Exascend Exegate Exell Extron EZ-IP Ezviz Fanvil FCI Fellowes Fibertrade FIBO Filum FireFly First Cable Fischer FlashForge ForceTake FoxLine Fractal FragMachine FSP FST LED FUJIFILM Fujitsu Fujitsu Technology Solution G&G Gainward GalaPrint Galaxy GEHA GeIL Gembird General Embedded Genius GES Geshem Giada GIGABYTE GIGAIPC Gigaset Ginzzu Global Cache GMU Godex GOODRAM GoodView Gooxi Gosund Grandstream Gratten Graviton Gravity Great Wall GREATWALL GreenBean GREENCONNECT GREENСONNECT Guanghsing Guide H3C Hama Harman Kardon HARMAN-JBL HARPER Havit Haylou Heika Helius Hena HESAI HGST Hibertek Hiden Hikvision HIPER Hisense HiWatch HK Audio HOBOT Honeywell HONOR Horion HP HP Inc. 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