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hw:hdd [2024/07/12 08:58] – niziakhw:hdd [2025/04/19 09:37] (current) – niziak
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   * [[https://nascompares.com/answer/list-of-wd-cmr-and-smr-hard-drives-hdd/|List of WD CMR and SMR hard drives (HDD)]]   * [[https://nascompares.com/answer/list-of-wd-cmr-and-smr-hard-drives-hdd/|List of WD CMR and SMR hard drives (HDD)]]
   * [[https://promitel.pl/dyski-seagate-skyhawk/#1627548072476-c3389039-49e8|Dyski Seagate SkyHawk]]   * [[https://promitel.pl/dyski-seagate-skyhawk/#1627548072476-c3389039-49e8|Dyski Seagate SkyHawk]]
 +
 +
 +Rules:
 +  * Don't buy Seagate DM (Barracuda) discs at all
 +
 ===== Examples ===== ===== Examples =====
  
   * Seagate   * Seagate
     * Barracuda 2-6TB should be SMR     * Barracuda 2-6TB should be SMR
 +      * ST2000DM008-2FR102 - Barracuda 2TB = SMR  <-- poor drive, it slowns downs all writes and start clicking after few months
 +      * ST4000DM004 4TB - Barracuda SMR
 +      * ST8000DM004 8TB - Barracuda Compute 5400rpm = SMR
     * IronWolf still CMR     * IronWolf still CMR
 +      * ST2000VN004-2E4164 - IronWolf 2TB = CMR / native 512B
 +      * ST4000VN006 4TB - IronWolf CMR
     * ST1000NM0033-9ZM173 - Constellation ES.3 = CMR     * ST1000NM0033-9ZM173 - Constellation ES.3 = CMR
-    * ST2000VN004-2E4164 - IronWolf 2TB = CMR / native 512B 
     * ST2000NM0008-2F3100 - Enterprise Capacity 2TB = CMR     * ST2000NM0008-2F3100 - Enterprise Capacity 2TB = CMR
-    * ST2000DM008-2FR102 - Barracuda 2TB = SMR 
-    * ST8000DM004 8TB - Barracuda Compute 5400rpm = SMR 
     * ST1000VX005 1TB - SkyHawk Surveillance - [[https://www.seagate.com/www-content/datasheets/pdfs/skyhawk-3-5-hdd-DS1902-15-2009GB-en_GB.pdf|CMR]]     * ST1000VX005 1TB - SkyHawk Surveillance - [[https://www.seagate.com/www-content/datasheets/pdfs/skyhawk-3-5-hdd-DS1902-15-2009GB-en_GB.pdf|CMR]]
     * ST2000VX008 2TB - SkyHawk Surveillance - [[https://www.seagate.com/www-content/datasheets/pdfs/skyhawk-3-5-hdd-DS1902-15-2009GB-en_GB.pdf|CMR]]     * ST2000VX008 2TB - SkyHawk Surveillance - [[https://www.seagate.com/www-content/datasheets/pdfs/skyhawk-3-5-hdd-DS1902-15-2009GB-en_GB.pdf|CMR]]
     * ST2000VX015 2TB - SkyHawk Surveillance - [[https://www.seagate.com/www-content/datasheets/pdfs/skyhawk-3-5-hdd-DS1902-15-2009GB-en_GB.pdf|SMR]]     * ST2000VX015 2TB - SkyHawk Surveillance - [[https://www.seagate.com/www-content/datasheets/pdfs/skyhawk-3-5-hdd-DS1902-15-2009GB-en_GB.pdf|SMR]]
 +
  
   * Toshiba   * Toshiba
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     * Toshiba HDWT720UZSVA 2TB - Surveillance S300 - SMR     * Toshiba HDWT720UZSVA 2TB - Surveillance S300 - SMR
     * Toshiba DT01ACA200 - 2TB - CMR     * Toshiba DT01ACA200 - 2TB - CMR
 +
 +==== WD ====
 +
   * WD   * WD
     * WDC_WD2005FBYZ-01YCBB3 - WD Gold (for NAS/Raid) - CMR     * WDC_WD2005FBYZ-01YCBB3 - WD Gold (for NAS/Raid) - CMR
     * WD Red 3,5" (WD20EFAX, WD30EFAX, WD40EFAX, WD60EFAX)- SMR     * WD Red 3,5" (WD20EFAX, WD30EFAX, WD40EFAX, WD60EFAX)- SMR
-    * WD Blue 3,5" (WD20EZAZ, WD60EZAZ) - SMR+    * WD Blue 3,5" 
 +      * SMR: WD20EZAZ, WD40EZAZ, WD60EZAZ, WD30EZAZ, WD20EZBX, WD20EZAZ 
 +      * CMR: WD80EAZZ, WD60EAZAX, WD40EZAX, WD30EZAX, WD20EARZ, WD20EZRZ, WD10EZRZ, WD10EZEX, WD5000AZRZ, WD5000AZLX
     * WD Blue 2.5" (WD10SPZX, WD20SPZX) - SMR     * WD Blue 2.5" (WD10SPZX, WD20SPZX) - SMR
     * WD Black 2,5" (WD10SPSX) - SMR     * WD Black 2,5" (WD10SPSX) - SMR
     * WD22PURZ - Purple 2TB / 256MB cache, 5400 rpm - CMR     * WD22PURZ - Purple 2TB / 256MB cache, 5400 rpm - CMR
       * WD Purple is recommended by community for CCTV       * WD Purple is recommended by community for CCTV
 +    * WD42PURZ - Purple 4TB / 256MB cache, 5400 rpm - CMR
     * WD10EFRX..WD60EFRX - CMR     * WD10EFRX..WD60EFRX - CMR
     * WD80EFAX = CMR     * WD80EFAX = CMR
     * WD101EFAX, WD120EFAX, WD140EFFX - CMR     * WD101EFAX, WD120EFAX, WD140EFFX - CMR
-    * WD20EZAZ - WD Blue - SMR+   
 +  * HGST 
 +    * Ultrastar 7K4000  
 +      * HGST HUS724020 ALS640 - Ultrastar 7K4000 3.5-Inch Enterprise 7200 RPM Hard Disk Drives 
 +        * 7200 rpm, 64MB, 3,5", SAS 6Gb/s 
 +        * MTBF1 2.0 million hours 
 +        * Ultrastar 7K4000 represents the sixth-generation HGST 5-platter design 
 +        * Data Buffer (MB) 64 
 +        * Rotational Speed (RPM) 7200 
 +        * Interface Transfer Rate (MB/s, Max) 600 
 +        * Sustained Transfer Rate (MB/s, Typical) 183 
 +        * Seek Time (Read, ms, typical) 8.0 
  
 ====== SSD ====== ====== SSD ======