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What is a
Compact Flash card?
CompactFlash is a removable mass storage device. The CompactFlash Memory Card is about
the size of a matchbook and only weighs half an ounce. The card was
designed based on the popular PC Card (PCMCIA) standard and can
easily be slipped into these slots with the use of a low-cost
adapter.
Compact Flash technology has resulted in the introduction
of a new class of advanced, small, lightweight, low-power mobile
products that significantly increases the productivity and enhances
the lifestyle of millions of people. These products include digital
cameras, digital music players, desktop computers, handheld PCs (PDAs), personal communicators, Palm PCs, Auto PCs, digital voice
recorders and photo printers.
CompactFlash
is based on flash memory semiconductor technology. Data, audio,
video and images are stored on flash chips rather than the
conventional, mechanical, rotating disk drives found in most
computers. Flash is non-volatile memory, meaning that once data is
saved on the card, it will be retained even if the system's power
supply is switched off. Flash is also solid state and has no moving
parts. Disk drives have many moving parts and are subject to
mechanical problems. Flash is much more rugged and reliable and
offers users considerably more protection of data. Mechanical disk
drives found in portable computers typically have an operating shock
rating of 100-200 Gs, which is equivalent to drop of less than a
foot. CompactFlash has an operating shock rating of 2,000
Gs, equivalent to a 10-foot drop to the floor.
Features: Weighs a
half ounce and is the size of a matchbook. Ultra-small, removable
data storage system. Provides complete PC Card-ATA functionality and
compatibility. Has built-in, industry-standard compatibility because
the 50-pin CF card can be easily slipped into a passive 68 pin Type
II adapter card that fully meets PC Card electrical and mechanical
interface specifications.
More....
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Description |
Price |
| SanDisk Compact Flash Cards |
|
SanDisk
64MB CompactFlash Card |
$30.29 |
|
SanDisk
128MB CompactFlash Card |
$40.45 |
|
SanDisk
256MB CompactFlash Card |
$60.15 |
|
SanDisk
512MB CompactFlash Card |
$119.95 |
|
SanDisk
1GB CompactFlash Card |
$229.95 |
| SanDisk Ultra Compact Flash Cards |
|
SanDisk
128MB Ultra CompactFlash |
$50.95 |
|
SanDisk
256MB Ultra CompactFlash |
$70.95 |
|
SanDisk
512MB Ultra CompactFlash |
$136.95 |
| Approximate Number of Photos per card
using "hi-res" JPEG mode |
| Card Size: |
16MB |
32MB |
64MB |
128MB |
192MB |
256MB |
320MB |
512MB |
640MB |
1GB |
| 1 Megapixel |
45 |
91 |
182 |
365 |
548 |
731 |
918 |
1462 |
1828 |
2925 |
| 2 Megapixel |
17 |
35 |
71 |
142 |
213 |
284 |
355 |
568 |
711 |
1137 |
| 3 Megapixel |
13 |
26 |
53 |
106 |
160 |
213 |
266 |
426 |
533 |
853 |
| 4 Megapixel |
8 |
16 |
32 |
64 |
96 |
128 |
160 |
256 |
320 |
512 |
| 5 Megapixel |
6 |
12 |
25 |
51 |
76 |
102 |
128 |
204 |
256 |
409 |
| 6 Megapixel |
5 |
10 |
20 |
40 |
60 |
80 |
100 |
160 |
200 |
320 |
Capacities for Compact Flash cards have
been increasing since they were first available. Cards with capacities of
4GB, 6GB and beyond, if not already available, soon will be. Certainly in
the smaller capacity cards, the Compact Flash cards seem to be a little
less expensive than comparable capacity Sony memory sticks.
Links:
www.sandisk.com
www.lexar.com
www.flash-memory-store.com
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