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- Newsgroups: comp.sys.mac.hardware
- Path: sparky!uunet!charon.amdahl.com!netcomsv!netcom.com!bszeto
- From: bszeto@netcom.com (Bailey Szeto)
- Subject: Big hard drive ratings
- Message-ID: <1993Jan22.234638.4996@netcom.com>
- Organization: Netcom - Online Communication Services (408 241-9760 guest)
- X-Newsreader: Tin 1.1 PL4
- Date: Fri, 22 Jan 1993 23:46:38 GMT
- Lines: 46
-
- I've been testing out various BIG hard drives lately. Though the net might
- be interested in the results. Feel free to send mail if you have any additional
- questions/comments/etc.
-
- 1 2 3 4 5 6 7 8 9 10 11
- Manuf. Model Form Cap. S.Read S.Write Avg Avg Reads Writes Index
- Name Num. Fact MB KB/Sec KB/Sec Accs Seek /Sec /Sec
- ------------------------------------------------------------------------------
- Maxtor MXT-1240S 3.5 1183 3058 2861 14 8.2 1075 109 6.3
- DEC DSP-3105S 3.5 1001 2271 2236 17 10.4 641 92 5.1
- Microp 2112 3.5 1001 1437 2368 18 9.4 746 94 5.1
- Quantm PD1255S 3.5 1169 1419 2022 20 10.4 490 621 4.9
- Fujtsu M2652SA 5.25 1664 3283 3367 19 11.5 704 93 4.9
- HP C2247 3.5 1003 1157 1682 18 9.9 599 94 4.8
- Segate ST3600N 3.5 488 2458 1950 20 9.1 465 75 4.4
- Maxtor P-117S 5.25 1433 2468 1977 22 12.4 1149 60 4.1
- Hitchi DK315C-11 3.5 1053 1422 1532 22 16.2 599 77 4.1
- Quantm LPS-240 3.5 234 1752 1615 28 16.0 535 62 3.3
- Segate ST1480N 3.5 406 2013 1914 22 13.6 74 74 3.2
- Unbnd RAID N/A 1624 690 379 24 11.3 194 30 2.9
-
- Apple HD20SC ? 20 144 143 84 65.0 57 57 1.0
-
- Legend:
- 1) Manufacturer Name
- 2) Manufacturer Model #
- 3) Form factor
- 4) Capacity in megabytes
- 5) Sustained Read in kb per second.
- 6) Sustained Write in kb per second.
- 7) Average Access Time in milliseconds
- 8) Average Seek Time in milliseconds
- 9) Read Transactions per second
- 10) Write transactions per second
- 11) Index relative to the original Apple HD20SC. A rating of 4.0 means that the
- drive is 4 times as fast as the original HD20SC.
-
- Notes:
- All tests performed by Hard Disk Toolkit, using the FWB driver. All drives were
- connected to a Quadra 950, 256mb of ram, disk cache set at 0kb, connected to
- the external scsi bus.
-
- -------------------------------------------------------------------------------
- Bailey Szeto
- bszeto@netcom.com
-
-