This is a list of drives that have been tested with the HD24. It can be found under file 'Drive_compatibility.txt' in the files section of the HD24 yahoo group. If you have experiences with a drive model not listed here, please send an email to hd24@yahoogroups.com. As topic, please use "Drive compatibility: " followed by the model and its compatibility. For example: Drive compatibility: WD5000AAKB 500GB incompatible or Drive compatibility: Maxtor Fireball 3 40GB compatible In the message itself, please give a short description of specifics or problems you encountered, if any. And here's the list! Fujitsu MPG3204AT 20.4 GB Compatible 5400 RPM Ultra ATA/100 IBM/Hitachi Deskstar IC35L 120AVV207-1 120 GB Compatible 7200 RPM Deskstar IC35L 82.3 GB Compatible 7200 RPM Ultra ATA/100 Deskstar 180GXP (IC35L120) 120 GB Compatible 7200 RPM Ultra ATA/100 Maxtor Fireball 3 40 GB Compatible Came shipped with HD24 Western Digital WD200EB-00CSF0 20 GB Compatible 5400 RPM Ultra ATA/100 WD400BB-71CAA1 40.0 GB Compatible WD CAVIAR WD800JB 80 GB Compatible 7200 RPM Ultra ATA/100 WD CAVIAR SE WD1600AJB 160 GB Compatible Caviar SE WD1600AAJB 160 GB Compatible? This model needs double-checking. It appears to cause issues under Alesis OS 1.20 ("Check Jumper" error) but seems to work all right under OS version 1.21. WD25000AAJB 250 GB ~Compatible Reported to work fine on OS 1.21 WD2500JB 250 GB Compatible WD5000AAKB 500 GB Incompatible WD3200JB 320 GB Compatible WD3200AAJB 320 GB Incompatible WD3200JBRTL 320 GB Incompatible Keeps giving "incorrect jumper" error. WD5000AAKB 500 GB ~Compatible May format, won't mount consistently Reported to work fine on OS 1.21 Samsung SV2044D 20 GB Incompatible Keeps claiming 'Invalid format' after formatting SP1614N 160 GB Compatible* *Actual OS for HD 24 needed SP2514N 250 GB Compatible Was Tested on OS 1.20 Seagate ST340014A 40 GB Compatible Barracuda 7200.7 ST3402111A 40 GB Compatible* Barracuda 7200.9 *Works with HD24 and mount fine with USB enclosure but has been reported not to mount withthe Alesis fireport. ST380215A 80 GB Compatible Installed as default in some HD24 ST3120026A 120 GB Compatible Barracuda 7200.7 ST3160215A 160 GB Compatible ST3400832A 400 GB Compatible Barracuda 7200.8 Ultra ATA/100 SATA drives =========== These will all require some kind of IDE-to-SATA convertor. ST3320820AS B 320GB Incompatible Freezes on playing Barracuda 7200.10 + Addonics SATA-to-IDE (8052 Marvell chipset) WD5000AAAKS 500GB Compatible* * Preliminary testing results + Addonics SATA-to-IDE (8052 Marvell chipset) Note: The Alesis caddy and Magicsnd caddy are similar and generally SATA drives that work in one should work with the other. The distinction below is mostly because the Alesis caddy has a slightly lower maximum throughput. SATA Drives tested with Alesis caddy ==================================== WD740 WD Raptor 74/3GB WD740GB-00FLA2 (March 2005) Compatible OCZ Vertex 3 SSD 240 GB Compatible (firmware 1.21) SATA Drives tested with Magicsnd caddy ====================================== Hitachi Deskstar 7200 rpm (80 gB) Compatible Hitachi  0F10383 (1 TB) Maxtor Diamond Plus 9 160 gB (c.2003) INCOMPATIBLE OCZ Vertex 2 SSD 60 GB Compatible* * preliminary results. Solid state drive. OCZ Vertex 450 SSD INCOMPATIBLE Samsung HD161HJ 7200 rpm (160gB) Compatible Samsung HD 103SJ 7200 RPM (1 tB) Compatible Samsung HD 204UI  (2 TB) Compatible Seagate Momentus  160 - 640 gB   5400 rpm Compatible (2.5" drive) Seagate Barracuda  7200.10 (160 gB) Compatible Seagate Barracuda  7200.11 (160 gB) Compatible     (firmware AD14 or later) Seagate Barracuda 7200.8 (400 gB) INCOMPATIBLE Seagate Barracuda  7200.12 (500 gB) Compatible Seagate Barracuda (1TB)          ST310005N1A1S-RK Compatible Toshiba   2.5" inch 5400 rpm INCOMPATIBLE Western Digital Scorpio Blue BEVT             80 - 640 gB     5400 rpm Compatible (2.5" drive) - popular. Western Digital Caviar SE v2 (80 gB) Compatible WD Caviar Blue (250 500 & 600 gB) Compatible Western Digital Caviar SE  SATA1 INCOMPATIBLE WD800JD-19LSA0(dated 2005) INCOMPATIBLE Western Digital Caviar Green WD10EARS INCOMPATIBLE Tested with reported Alesis SATA caddy: Seagate Barracuda Green 1500 GB Mounts/formats OK ST1500DL003 (tested on firmware 1.21) Record/playback results to follow. Hitachi Deskstar SATA 160GB Model: HDT722516DLA380 SATA 3.0Gb/s 7200RPM Hitachi: 0A33224 Date of manufacture 24-JAN-07 INCOMPATIBLE - will not mount