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分類	モデル	店数	最安値(円)	前回比	増減率(％)	平均値(円)	増減率(％)	1GB単価 (最安値÷GB)
Seagate	Barracuda ATA IV ST380021A　80GB	25	12,980	-1,320[↓]	-9.2	14,094	-5.7	162.3
Western Digital	WD Caviar WD600BB　60.0GB	11	12,500	-1,000[↓]	-7.4	14,310	-1.3	208.3
Western Digital	WD Caviar WD1200AB　120GB	8	21,050	-1,450[↓]	-6.4	22,653	-1.4	175.4
Western Digital	WD Caviar WD800BB　80.0GB	13	14,900	-1,000[↓]	-6.3	16,218	-3.7	186.3
Western Digital	WD Caviar WD800AB　80GB	14	13,980	-820[↓]	-5.5	15,949	+1.7	174.8
Maxtor	DiamondMax Plus D740X 6L080J4 80.0GB	7	14,000	-799[↓]	-5.4	14,601	-3.3	175.0
Maxtor	DiamondMax D540X-4K 4K080K4　80GB	7	12,600	-700[↓]	-5.3	13,386	-3.6	157.5
IBM	Deskstar 120GXP IC35L080AVVA07　82.3GB	26	11,250	-620[↓]	-5.2	11,896	-5.2	136.7
IBM	Deskstar 120GXP IC35L040AVVA07　41.2GB	24	8,800	-470[↓]	-5.1	9,448	-4.8	213.6
Maxtor	DiamondMax D540X-4K 4K060K3　60GB	15	10,460	-520[↓]	-4.7	11,389	-2.7	174.3
Maxtor	DiamondMax Plus D740X 6L060L3 60.0GB	21	10,980	-490[↓]	-4.3	12,208	-3.4	183.0
Seagate	U6 ST380020ACE　80.0GB	7	15,970	-710[↓]	-4.3	16,478	-1.9	199.6
Maxtor	DiamondMax Plus D740X 6L040L2 40.0GB	24	9,370	-400[↓]	-4.1	10,177	-1.8	234.3
IBM	Deskstar 120GXP IC35L100AVVA07　102.9GB	16	18,800	-800[↓]	-4.1	19,731	-4.1	182.7
Maxtor	DiamondMax D540X-4D 4D080K4　80GB	18	13,300	-500[↓]	-3.6	13,986	-3.0	166.3
Seagate	Barracuda ATA IV ST340016A　40GB	30	9,480	-319[↓]	-3.3	10,037	-2.0	237.0
Western Digital	WD Caviar WD800JB　80GB	9	17,980	-600[↓]	-3.2	18,510	-1.6	224.8
Western Digital	WD Protege WD400EB　40.0GB	10	8,499	-281[↓]	-3.2	8,975	-2.5	212.5
Western Digital	WD Caviar WD400BB　40.0GB	9	9,970	-330[↓]	-3.2	10,476	-1.0	249.3
Maxtor	DiamondMax Plus D740X 6L080L4 80.0GB	21	14,300	-370[↓]	-2.5	14,914	-3.2	178.8
Western Digital	WD Caviar WD200BB　20.0GB	5	8,950	-220[↓]	-2.4	9,466	+0.3	447.5
Seagate	U6 ST360020A　60.0GB	15	10,200	-250[↓]	-2.4	10,661	-1.6	170.0
Maxtor	DiamondMax D540X 4G160J8　160GB	24	28,170	-630[↓]	-2.2	29,549	-1.8	176.1
IBM	Deskstar 120GXP IC35L120AVVA07　123.5GB	20	19,590	-409[↓]	-2.0	20,619	-5.2	158.6
Western Digital	WD Caviar WD1200JB　120GB	14	25,300	-500[↓]	-1.9	26,611	+0.1	210.8
Western Digital	WD Caviar WD1000BB　100GB	10	21,300	-400[↓]	-1.8	22,042	-1.6	213.0
Western Digital	WD Caviar WD1200BB　120GB	10	23,300	-400[↓]	-1.7	24,413	-1.2	194.2
Western Digital	WD Caviar WD1000JB　100GB	15	23,500	-300[↓]	-1.3	24,214	-1.3	235.0
Maxtor	DiamondMax Plus D740X 6L040J2 40.0GB	6	9,680	-119[↓]	-1.2	9,931	-0.3	242.0
Seagate	U6 ST380020A　80.0GB	19	12,650	-150[↓]	-1.2	13,026	-4.1	158.1
富士通	MPG3307AT　30.7GB	4	8,800	-100[↓]	-1.1	9,094	-1.4	286.6
Maxtor	DiamondMax Plus D740X 6L020L1 20.0GB	19	8,380	-90[↓]	-1.1	9,158	-1.2	419.0
Maxtor	DiamondMax D540X-4K 4K040K2　40GB	15	8,670	-90[↓]	-1.0	9,139	-2.5	216.8
Seagate	Barracuda ATA IV ST360021A　60GB	28	11,680	-119[↓]	-1.0	12,154	-1.2	194.7
IBM	Deskstar 120GXP IC35L060AVVA07　61.5GB	29	9,880	-90[↓]	-0.9	10,372	-3.9	160.7
Seagate	Barracuda ATA III ST340824A　40.0GB	3	9,499	-81[↓]	-0.8	9,826	-0.1	237.5
Maxtor	DiamondMax D540X 4G120J6　120GB	24	19,400	-100[↓]	-0.5	20,173	-3.3	161.7
Maxtor	DiamondMax Plus D740X 6L060J3 60.0GB	10	11,750	-49[↓]	-0.4	12,487	+1.2	195.8
IBM	Deskstar 120GXP IC35L040AVVN07　40GB	18	8,770	-29[↓]	-0.3	9,395	-2.1	219.3
Maxtor	DiamondMax D540X-4K 4K060H3　60GB	5	10,970	-10[↓]	-0.1	11,252	-1.4	182.8
Maxtor	DiamondMax D540X-4D 4D060H3　60GB	14	10,770	0[→]	0.0	11,171	-2.5	179.5
Seagate	U6 ST320410A　20.0GB	20	7,980	0[→]	0.0	8,390	-2.1	399.0
Maxtor	DiamondMax D540X-4D 4D040H2　40GB	11	8,380	0[→]	0.0	9,000	-1.1	209.5
Western Digital	WD Protege WD100EB　10.0GB	6	7,800	0[→]	0.0	8,171	-0.6	780.0
Samsung Electronics	SV8004H　80.0GB	4	13,800	0[→]	0.0	14,444	-0.0	172.5
Maxtor	DiamondMax Plus D740X 6L020J1 20.0GB	7	8,970	0[→]	0.0	9,095	0.0	448.5
Western Digital	WD Protege WD200EB　20.0GB	10	8,280	0[→]	0.0	8,606	+0.1	414.0
富士通	MPG3409AH-E　40.9GB	5	10,850	0[→]	0.0	11,462	+0.6	265.3
Maxtor	DiamondMax D540X-4D 4D040K2　40GB	11	9,280	0[→]	0.0	9,798	+1.9	232.0
Maxtor	DiamondMax D540X-4D 4D080H4　80GB	12	12,800	+30[↑]	+0.2	13,374	-1.2	160.0
Seagate	U6 ST340810A　40.0GB	22	8,580	+80[↑]	+0.9	8,964	-1.6	214.5
Seagate	U5 ST310211A　10.2GB	3	8,080	+90[↑]	+1.1	8,346	+1.1	792.2
Western Digital	WD Caviar WD600AB　60GB	10	11,500	+350[↑]	+3.1	12,420	-0.8	191.7
Maxtor	DiamondMax D540X-4D 4D060K3　60GB	6	12,800	+1,000[↑]	+8.5	13,271	+0.6	213.3