Best Nikon D100 Memory Cards

By Nathaniel Stephan
Last Updated: November 22, 2019
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Nikon D100 Compact Flash Memory Cards

The memory cards the Nikon D100 can use are limited based on the camera's firmware. A 2GB CompactFlash card is the maximum capacity card you can use.

If your D100 has firmware version 2.0, you can use up to a 4GB card. Directions on how to check your camera firmware are below.

My recommendation for the best Compact Flash card that will be compatible will all firmware versions is the Transcend 2 GB 133x card.

Checking D100 Firmware

From Nikon: "Your camera's current version is displayed when viewing an image and you have selected the image data display."

Unfortunately, that means you'll need a memory card to check the firmware version.

The final firmware for the Nikon D100 is version 2.0. Unlike newer cameras, the firmware cannot be easily updated.

A firmware upgrade required sending the D100 to a Nikon repair facility. Due to the age of the camera, the firmware upgrade service is no longer offered.

DIY Firmware Update

There are people that have claimed to have updated the firmware themselves. I have not tried doing this, so I cannot say how well it can work.

Do the upgrade at your own risk. A bad update could brick the camera and make it unusable.

This is a possible way to do it yourself, but I have not tried this. Do at your own risk. Nikon D100 Firmware Version 2 Download and Update.

Cards Larger Than 4GB

People have reported being able to use CompactFlash cards that are larger than 4GB. However, formatting the card in the camera can take a long time and lead to slow menus.

Also, keep in mind that only 4GB worth of memory will be used. You'll get no increase in storage by using a 8GB or 16GB card.

I would recommend tracking down a 2GB or 4GB card. That way you avoid compatibility problems.

Compact Flash Card Types

There are two different types of CompactFlash cards, Type I and Type II. Both card will fit in the Nikon d100.

The difference between the cards is their thickness.

  • Type I - 3.3mm thick
  • Type II - 5mm thick

In addition to the Compact Flash memory cards listed below, be on the lookout for used cards. A used card may be able to save you a bit of money.

Verbatim 2GB CompactFlash Card

  • Compatible with the D100.
  • Low Power Usage.
  • Excellent reliability.
  • Best Value for a New Memory Card.

Transcend 2 GB 133x CompactFlash Memory Card

  • Compatible with D100.
  • Data Transfer Rate up to 12MB/s.
  • Built-in Dynamic Defect Management and Error Correction.
  • Read Speed up to 30MB/s.

SD to CompactFlash Card Adapter

  • Cheap option if you already have a 2GB SD card.
  • Supports SD, SDHC, SDXC cards with a 128GB max.
  • CF Type 1 size.
  • MicroSD version is available.

Card Reader

UGREEN CF Card Reader

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 was all I needed to block the light from the card reader.

The UGREEN reader uses USB 3.0 to connect to a computer.

USB 3.0 has a higher transfer speed than any compact flash card you'll use. This is important because the card reader won't be a bottleneck during file transfers.

Supported card types:

  • CompactFlash Cards
  • SD, SDHC, & SDXC Cards
  • Memory Stick (MS), MS Pro, MS PRO-HG, & MS XC DUO
  • MicroSD, Micro SDHC, & Micro SDXC Cards

Avoiding Card Errors

The most common card error is caused by bent pins in the camera's card slot. If this occurs in the D100, a CHA error will be shown in the LCD.

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.

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