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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	15	406.8	8,299	+19[↑]	+0.2	8,608	+5[↑]
Seagate	U6 ST320410A　20.0GB	30	419.0	8,380	+400[↑]	+5.0	8,661	+6[↑]
Western Digital	WD Protege WD100EB　10.0GB	3	848.0	8,480	－[－]	－	8,813	－[－]
Western Digital	WD Caviar WD200AB　20GB	4	424.9	8,499	0[→]	0.0	8,687	+98[↑]
Seagate	Barracuda ATA IV ST320011A　20.0GB	31	447.5	8,950	-30[↓]	-0.3	9,311	-3[↓]
Western Digital	WD Protege WD200EB　20.0GB	3	449.0	8,980	0[→]	0.0	9,080	+100[↑]
IBM	Deskstar 60GXP IC35L010AVER07　10.3GB	4	872.8	8,990	-9[↓]	-0.1	9,112	+36[↑]
Maxtor	DiamondMax Plus D740X 6L020J1 20.0GB	18	463.0	9,260	+90[↑]	+1.0	9,616	-46[↓]
Western Digital	WD Caviar WD200BB　20.0GB	10	463.9	9,279	+299[↑]	+3.3	9,507	-24[↓]
Seagate	U6 ST340810A　40.0GB	31	236.2	9,449	-31[↓]	-0.3	10,037	+226[↑]
Maxtor	541DX 2B020H1　20GB	3	474.0	9,480	+481[↑]	+5.3	9,630	+261[↑]
富士通	MPG3409AT　40.9GB	7	235.9	9,650	+10[↑]	+0.1	9,998	+28[↑]
Maxtor	DiamondMax D540X-4D 4D040H2　40GB	16	241.8	9,670	-200[↓]	-2.0	10,202	-77[↓]
Maxtor	DiamondMax Plus D740X 6L020L1 20.0GB	22	489.0	9,780	0[→]	0.0	10,115	-193[↓]
Western Digital	WD Caviar WD300AB　30GB	6	326.0	9,780	0[→]	0.0	9,946	-73[↓]
Western Digital	WD Caviar WD400AB　40GB	11	245.0	9,800	0[→]	0.0	10,040	-215[↓]
IBM	Deskstar 60GXP IC35L020AVER07　20.6GB	12	484.5	9,980	+210[↑]	+2.1	10,904	+328[↑]
|● 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 Protege WD400EB　40.0GB	8	258.8	10,350	+170[↑]	+1.7	10,887	+352[↑]
Maxtor	DiamondMax D540X-4K 4K040K2　40GB	13	259.3	10,370	-110[↓]	-1.0	10,788	-36[↓]
Maxtor	DiamondMax D540X-4D 4D040K2　40GB	15	259.5	10,380	-100[↓]	-1.0	11,039	+229[↑]
富士通	MPG3409AH-E　40.9GB	14	264.1	10,800	0[→]	0.0	11,478	+52[↑]
Western Digital	WD Caviar WD300BB　30.0GB	4	363.3	10,900	-320[↓]	-2.9	11,104	-200[↓]
Maxtor	DiamondMax Plus D740X 6L040J2 40.0GB	22	279.3	11,170	-30[↓]	-0.3	11,560	-78[↓]
Seagate	Barracuda ATA IV ST340016A　40GB	31	280.0	11,199	-51[↓]	-0.5	11,706	+7[↑]
IBM	Deskstar 60GXP IC35L030AVER07　30.7GB	11	376.9	11,570	-10[↓]	-0.1	12,015	+181[↑]
Western Digital	WD Caviar WD400BB　40.0GB	20	289.5	11,580	+40[↑]	+0.3	11,899	-32[↓]
Maxtor	DiamondMax Plus D740X 6L040L2 40.0GB	25	294.3	11,770	0[→]	0.0	12,230	-407[↓]
IBM	Deskstar 60GXP IC35L040AVER07　41.2GB	33	289.1	11,910	-40[↓]	-0.3	12,287	-71[↓]
Samsung Electronics	SV6003H　60.0GB	4	199.5	11,970	-230[↓]	-1.9	12,302	-156[↓]
Seagate	U6 ST360020A　60.0GB	20	206.2	12,370	+90[↑]	+0.7	13,079	+299[↑]
Maxtor	DiamondMax D540X-4D 4D060H3　60GB	18	206.3	12,380	+100[↑]	+0.8	12,900	+30[↑]
Western Digital	WD Caviar WD600AB　60GB	11	211.3	12,680	-90[↓]	-0.7	13,229	+178[↑]
Maxtor	DiamondMax D540X-4K 4K060H3　60GB	3	216.2	12,970	+170[↑]	+1.3	13,149	+3[↑]
IBM	Deskstar 120GXP IC35L040AVVA07　41.2GB	26	326.9	13,470	－[新]	新	14,365	－[新]
Maxtor	DiamondMax Plus 60 5T060H6　61.4GB	4	224.3	13,770	-3,200[↓]	-18.9	15,987	-1,550[↓]
IBM	Deskstar 60GXP IC35L060AVER07　61.5GB	33	232.2	14,280	-19[↓]	-0.1	14,887	-103[↓]
Seagate	Barracuda ATA IV ST360021A　60GB	28	241.0	14,460	-39[↓]	-0.3	15,059	+149[↑]
Maxtor	DiamondMax Plus D740X 6L060J3 60.0GB	24	244.5	14,670	-80[↓]	-0.5	15,191	-91[↓]
|● 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
Western Digital	WD Caviar WD600BB　60.0GB	12	259.2	15,550	+570[↑]	+3.8	15,996	+236[↑]
Samsung Electronics	SV8004H　80.0GB	7	197.3	15,780	+100[↑]	+0.6	15,864	+6[↑]
Seagate	U6 ST380020A　80.0GB	31	202.5	16,200	-770[↓]	-4.5	17,288	-316[↓]
Maxtor	DiamondMax D540X-4D 4D080H4　80GB	25	208.4	16,670	-200[↓]	-1.2	17,373	-38[↓]
Western Digital	WD Caviar WD800AB　80GB	21	220.6	17,650	0[→]	0.0	18,259	+62[↑]
Maxtor	DiamondMax D540X-4K 4K080K4　80GB	19	222.1	17,770	-30[↓]	-0.2	18,624	-74[↓]
Maxtor	DiamondMax D540X-4K 4K080H4　80GB	4	222.5	17,799	+999[↑]	+5.9	17,819	-19[↓]
Maxtor	DiamondMax Plus D740X 6L080J4 80.0GB	30	233.4	18,670	-129[↓]	-0.7	19,425	+28[↑]
Seagate	Barracuda ATA IV ST380021A　80GB	31	237.3	18,980	-670[↓]	-3.4	20,001	-159[↓]
Western Digital	WD Caviar WD800BB　80.0GB	20	243.5	19,480	-20[↓]	-0.1	20,220	+333[↑]
|● 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
Seagate	U6 ST380020ACE　80.0GB	9	259.8	20,780	－[－]	－	20,994	－[－]
Maxtor	DiamondMax Plus D740X 6L080L4 80.0GB	25	267.1	21,370	-310[↓]	-1.4	21,912	-347[↓]
IBM	Deskstar 120GXP IC35L080AVVA07　82.3GB	29	277.0	22,799	-1,681[↓]	-6.9	23,819	-1,689[↓]
Western Digital	WD Caviar WD1000BB　100GB	12	258.0	25,800	-700[↓]	-2.6	27,073	-149[↓]
Maxtor	DiamondMax D540X 4G120J6　120GB	23	231.4	27,770	-710[↓]	-2.5	28,467	-623[↓]
Western Digital	WD Caviar WD1000JB　100GB	19	279.8	27,980	+340[↑]	+1.2	29,805	+821[↑]
Maxtor	DiamondMax D540X 4G160J8　160GB	24	217.5	34,800	-1,180[↓]	-3.3	36,254	-826[↓]
IBM	Deskstar 120GXP IC35L120AVVA07　123.5GB	27	289.9	35,800	-2,180[↓]	-5.7	38,401	-3,477[↓]
Western Digital	WD Caviar WD1200BB　120GB	22	308.2	36,980	-1,670[↓]	-4.3	38,819	-593[↓]