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|● 1万円未満
分類	モデル	店数	1GB単価 (最安値÷GB)	最安値(円)	前回比	増減率(％)	平均値(円)	前回比
富士通	MPG3204AT　20.4GB	9	415.2	8,470	－[－]	－	8,749	－[－]
IBM	Deskstar 60GXP IC35L010AVER07　10.3GB	5	823.3	8,480	0[→]	0.0	8,888	+23[↑]
Western Digital	WD Protege WD100EB　10.0GB	5	848.0	8,480	0[→]	0.0	8,540	-264[↓]
Seagate	U6 ST320410A　20.0GB	22	428.5	8,570	0[→]	0.0	8,812	+24[↑]
Maxtor	541DX 2B020H1　20GB	5	440.0	8,800	0[→]	0.0	9,322	+158[↑]
Western Digital	WD Caviar WD200BB　20.0GB	13	449.0	8,980	0[→]	0.0	9,536	+24[↑]
Western Digital	WD Protege WD200EB　20.0GB	3	449.0	8,980	0[→]	0.0	9,213	0[→]
Seagate	Barracuda ATA IV ST320011A　20.0GB	24	450.0	9,000	+20[↑]	+0.2	9,655	+73[↑]
Maxtor	DiamondMax Plus D740X 6L020J1 20.0GB	11	463.0	9,260	0[→]	0.0	9,582	-6[↓]
Maxtor	DiamondMax Plus D740X 6L020L1 20.0GB	23	473.4	9,469	-81[↓]	-0.8	9,827	+1[↑]
Western Digital	WD Caviar WD300AB　30GB	6	316.0	9,479	0[→]	0.0	9,679	+1[↑]
Seagate	U6 ST340810A　40.0GB	27	237.0	9,480	-280[↓]	-2.9	10,000	-45[↓]
Seagate	U5 ST330621A　30.6GB	4	309.8	9,480	0[→]	0.0	9,614	-73[↓]
富士通	MPG3307AT　30.7GB	4	309.4	9,499	－[－]	－	9,674	－[－]
Maxtor	DiamondMax D540X-4D 4D040H2　40GB	13	241.5	9,660	-70[↓]	-0.7	10,349	+14[↑]
Western Digital	WD Protege WD400EB　40.0GB	13	249.3	9,970	-30[↓]	-0.3	10,423	-203[↓]
Maxtor	DiamondMax D540X-4D 4D040K2　40GB	19	249.5	9,980	-330[↓]	-3.2	10,561	-108[↓]
IBM	Deskstar 60GXP IC35L020AVER07　20.6GB	7	484.5	9,980	+90[↑]	+0.9	11,010	+174[↑]
|● 1万円～1万5千円未満
分類	モデル	店数	1GB単価 (最安値÷GB)	最安値(円)	前回比	増減率(％)	平均値(円)	前回比
Western Digital	WD Caviar WD400AB　40GB	3	257.0	10,280	-20[↓]	-0.2	10,453	-840[↓]
Maxtor	DiamondMax D540X-4K 4K040K2　40GB	8	259.3	10,370	0[→]	0.0	10,641	+54[↑]
Western Digital	WD Caviar WD300BB　30.0GB	6	359.3	10,780	0[→]	0.0	10,889	-215[↓]
Seagate	U6 ST360020A　60.0GB	24	184.2	11,050	-220[↓]	-2.0	12,333	-106[↓]
Seagate	Barracuda ATA IV ST340016A　40GB	27	279.5	11,180	-50[↓]	-0.4	11,566	-87[↓]
Maxtor	DiamondMax Plus D740X 6L040J2 40.0GB	8	281.7	11,269	+239[↑]	+2.2	11,530	-30[↓]
Maxtor	DiamondMax Plus D740X 6L040L2 40.0GB	26	283.8	11,350	-80[↓]	-0.7	11,704	-58[↓]
IBM	Deskstar 60GXP IC35L030AVER07　30.7GB	3	372.3	11,430	-330[↓]	-2.8	11,630	-220[↓]
富士通	MPG3409AH-E　40.9GB	10	279.7	11,440	+140[↑]	+1.2	12,019	+270[↑]
IBM	Deskstar 60GXP IC35L040AVER07　41.2GB	19	278.4	11,469	-1[↓]	-0.0	11,989	+23[↑]
IBM	Deskstar 120GXP IC35L040AVVA07　41.2GB	31	278.6	11,480	-450[↓]	-3.8	12,184	-313[↓]
Western Digital	WD Caviar WD400BB　40.0GB	11	292.0	11,680	-20[↓]	-0.2	11,985	-33[↓]
Maxtor	DiamondMax 536DX 4W060H4　60GB	3	199.5	11,970	-800[↓]	-6.3	12,916	-267[↓]
Samsung Electronics	SV6003H　60.0GB	7	199.5	11,970	0[→]	0.0	12,362	+6[↑]
Maxtor	DiamondMax D540X-4D 4D060H3　60GB	22	204.5	12,269	-61[↓]	-0.5	12,778	-123[↓]
Maxtor	DiamondMax D540X-4K 4K060H3　60GB	4	216.3	12,980	0[→]	0.0	14,335	+1,355[↑]
IBM	Deskstar 60GXP IC35L060AVER07　61.5GB	26	214.3	13,180	-190[↓]	-1.4	13,903	-233[↓]
Western Digital	WD Caviar WD600AB　60GB	8	222.8	13,370	+390[↑]	+3.0	13,678	+117[↑]
Seagate	Barracuda ATA IV ST360021A　60GB	29	229.5	13,769	-591[↓]	-4.1	14,505	-266[↓]
Maxtor	DiamondMax Plus D740X 6L060J3 60.0GB	19	239.3	14,360	-70[↓]	-0.5	14,861	-184[↓]
IBM	Deskstar 120GXP IC35L060AVVA07　61.5GB	11	235.4	14,480	-1,400[↓]	-8.8	15,443	-437[↓]
Samsung Electronics	SV8004H　80.0GB	9	184.7	14,779	-1[↓]	-0.0	15,088	-353[↓]
Maxtor	DiamondMax Plus D740X 6L060L3 60.0GB	22	249.2	14,950	-410[↓]	-2.7	15,736	-313[↓]
|● 1万5千円～2万円未満
分類	モデル	店数	1GB単価 (最安値÷GB)	最安値(円)	前回比	増減率(％)	平均値(円)	前回比
Maxtor	DiamondMax D540X-4D 4D080H4　80GB	24	189.0	15,120	+140[↑]	+0.9	16,055	-155[↓]
Western Digital	WD Caviar WD600BB　60.0GB	18	259.7	15,580	-20[↓]	-0.1	15,777	-55[↓]
Seagate	U6 ST380020A　80.0GB	25	200.6	16,050	-30[↓]	-0.2	16,688	-10[↓]
Maxtor	DiamondMax D540X-4D 4D080K4　80GB	14	206.3	16,500	-1,000[↓]	-5.7	17,435	-701[↓]
IBM	Deskstar 120GXP IC35L080AVVA07　82.3GB	32	210.2	17,300	-480[↓]	-2.7	18,356	-286[↓]
Western Digital	WD Caviar WD800AB　80GB	18	220.0	17,600	-50[↓]	-0.3	17,848	-66[↓]
Seagate	Barracuda ATA IV ST380021A　80GB	41	222.5	17,800	0[→]	0.0	18,663	-281[↓]
Maxtor	DiamondMax Plus D740X 6L080J4 80.0GB	22	229.6	18,369	-161[↓]	-0.9	18,699	-80[↓]
Western Digital	WD Caviar WD800BB　80.0GB	20	243.1	19,450	0[→]	0.0	19,794	-232[↓]
Seagate	U6 ST380020ACE　80.0GB	11	243.8	19,500	-700[↓]	-3.5	20,114	-253[↓]
Maxtor	DiamondMax Plus D740X 6L080L4 80.0GB	23	246.0	19,680	-70[↓]	-0.4	19,983	-176[↓]
|● 2万円以上
分類	モデル	店数	1GB単価 (最安値÷GB)	最安値(円)	前回比	増減率(％)	平均値(円)	前回比
Maxtor	DiamondMax D540X 4G120J6　120GB	26	215.8	25,900	-200[↓]	-0.8	26,477	-187[↓]
Western Digital	WD Caviar WD1000JB　100GB	28	266.7	26,669	-601[↓]	-2.2	27,887	-429[↓]
Western Digital	WD Caviar WD1000BB　100GB	13	267.0	26,700	0[→]	0.0	26,899	-140[↓]
Western Digital	WD Caviar WD1200AB　120GB	7	223.3	26,800	-2,999[↓]	-10.1	28,628	-1,171[↓]
Western Digital	WD Caviar WD1200BB　120GB	22	249.8	29,970	-510[↓]	-1.7	32,348	-616[↓]
IBM	Deskstar 120GXP IC35L120AVVA07　123.5GB	30	249.2	30,780	-690[↓]	-2.2	31,888	-765[↓]
Maxtor	DiamondMax D540X 4G160J8　160GB	25	199.8	31,960	-240[↓]	-0.7	32,868	-204[↓]
Western Digital	WD Caviar WD1200JB　120GB	19	289.6	34,750	-50[↓]	-0.1	35,185	-616[↓]