The Nikon D70s memory card slot can fit type I and type II CompactFlash (CF) memory cards.
CompactFlash cards with up to a 137GB capacity can be used. However, those cards are going to be expensive compared to the value of a D70s.
If you just want to know what a good card for the camera is, my recommendation is a SanDisk Ultra 16GB Compact Flash memory card.
Compact Flash Card Types
Type I or Type II CompactFlash cards will fit in the camera. The only difference between those is the thickness of the card.
- Type I - 3.3mm thick
- Type II - 5mm thick
A MicroDrive could also be used, but they are a bad choice. They are small mechanical hard drives which means they are prone to damage. Plus, they are no longer produced so finding a working one will be difficult.
Image Capacity Recommendation
16 GB is the sweet spot for storage capacity vs price. You don't need to break the bank on a CF card for a Nikon D70s.
Smaller capacity compact flash cards are not being manufactured anymore. You can find them used, but they tend to be close in price to a new 16GB card.
Also, I would recommend avoiding used cards. The more a card has been used, the more likely a problem will occur.
Planning a Camera Upgrade?
Keep in mind that Nikon cameras that are good candidates to upgrade to will use SD memory cards.
Don't invest heavily in a memory card that you won't be able to use in a future upgrade.
Recommended CF Cards
SanDisk 16GB CompactFlash Card
- Best value for the money.
- Transfer speeds up to 50MB/s.
- Excellent reliability.
- Dependable performance for mid level DSLRs.
SanDisk 32GB CompactFlash Card
- Large memory capacity without paying a premium.
- Read speed up to 120MB/s.
- Write speeds up to 85MB/s.
- RTV silicone coating to protect against shocks and vibrations.
- Limited lifetime warranty.
Lexar Professional 32GB CompactFlash Card
- High performance memory card.
- Max read speed of 160MB/s.
- Max write speed of 155MB/s.
- Video Performance Guarantee 65. (VPG 65)
- Lifetime limited warranty.
MicroSD to CompactFlash Adapter
- Supports SD & SDHC cards with a 32GB max.
- CF Type 1 size.
- Cheap option if you already have a MicroSD card.
SD to CompactFlash Card Adapter
- Supports SD, SDHC, SDXC cards with a 128GB max.
- CF Type 1 size.
- Cheap option if you already have a SD card.
The UGREEN 4-in-1 card reader is what I use for compact flash cards. It isn't amazing, but it is better than other card readers I have owned in the past.
The only problem I have with the card reader is the bright blue LED. I found it very distracting. A small piece of gaff tape solved the problem.
It uses USB 3.0 to connect to a computer. That provides a fast enough connection to where the card reader won't be a bottleneck during file transfers.
Supported card types:
- SD, SDHC, SDXC
- Memory Stick (MS), MS Pro, MS PRO-HG, MS XC DUO
- MicroSD, Micro SDHC, Micro SDXC
Avoiding Card Errors
The most common error with CF cards is caused by bent pins in the camera's card slot. If this occurs in the D70s, the LCD will show a CHA error.
Be careful and gentle when inserting a CF card into the camera. You do not need to use much force to get a card inserted.
If the card does not seem like it is going in correctly, remove it. Check the orientation is correct and then try again.