Best Nikon D300 Memory Cards

By Nathaniel Stephan
Last Updated: October 3, 2019
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Best Nikon D300 Memory Cards

The Nikon D300 has an CompactFlash memory card slot that works with cards that are 32GB or smaller in storage capacity. An error will happen if you try to use a CF card with a larger capacity.

The cap in card size is due to the fact that the Nikon D300 format cards using the FAT32 file system.

The Nikon D300 can only use memory cards that are significantly smaller than what is presently available. The key specifications to look at are transfer speeds. A card with a faster read speed can save considerable amounts of time waiting around for photos to transfer.

Here are the best lenses for the Nikon D300.

Estimated time required to transfer 32GB:

  • 160MB/s - 3 minutes 45 seconds
  • 120MB/s - 5 minutes
  • 50MB/s - 12 minutes

This is my recommendation for the best CF card for the Nikon D300:

SanDisk Extreme Pro CompactFlash Card 32GB

SanDisk Extreme Pro 32GB CF Card

  • Read speeds up to 160MB/s.
  • Write speeds up to 150MB/s.
  • Water, x-ray, & shock proof.
Best Nikon Compact Flash Memory Card

The best value CF card for the Nikon D300 will be 32GB. Larger cards can't be used and smaller cards are the same price.

A high-speed, quality card does not add a noticeable amount to the cost. Having a high-speed card will remove the need to buy another card with a future camera upgrade.

Recommended CF Cards

Lexar Professional CompactFlash Card 1066X 32GB

Lexar Professional 1066x 32GB CompactFlash Card

  • Transfer speeds up to 160MB/s.
  • Video Performance Guarantee sepc VPG 65.
  • Limited lifetime warranty.
SanDisk Extreme CompactFlash card 32gb

SanDisk Extreme 32GB Compact Flash Card

  • Read speeds up to 120MB/s.
  • Write speeds up to 85MB/s.
  • Sustained data recording of 20MB/s.
  • Water, x-ray, & shockproof.
SanDisk Ultra CompactFlash Card 16gb

SanDisk Ultra 16GB CompactFlash Card

  • Speeds up to 50MB/s.
  • Excellent reliability and value.
  • Ideal for mid-range DSLRs.

Memory Card Reader

UGreen 4-in-1 Card Reader
There's a bright blue LED that bothered me. It is now covered in gaff tape.

The UGreen 4-in-1 memory card reader supports four different types of memory cards. These include all memory cards camera manufacturers implement in all but the most recent professional-level cameras.

The UGREEN memory card reader has a USB 3.0 connection. The card reader's USB 3.0 transfer speeds will be faster transfer speeds than what the Nikon D300 can achieve transferring files with the USB mode.

There are plenty of favorable customer reviews for the card reader, which I agree with. It's a good product because the reader has worked with all the computers (Windows, Mac, and Linux) I have tried it with.

The cable prevents memory card slots from being blocked by other accessories or devices that are plugged in.

When I looked for a card reader that would be better for travel, I needed to go through the return process with multiple orders. I experienced the most commonly seen problem mentioned in customer reviews, the memory card readers were not recognized by my computer.

The UGREEN card reader can use the card formats below:

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

Compact Flash Card Types

Two separate types of Compact Flash cards exist. They are known as Type I or Type II.

Both types of CF memory cards will fit in the Nikon D300.

What makes the cards different, is how thick they are. The other dimensions of the CF cards are the same.

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

The Type II spec allowed Microdrives to be used with the D300. A Microdrive was just a small mechanical harddrive.

Compact Flash cards had small storage capacities when they were first released. Microdrives made it possible to get larger amounts of storage.

Microdrives are no longer manufactured. Due to their mechanical nature, they often failed.

Another usage of the Type II slot is for Compact Flash card adapters. The adapters allow you to use SD or MicroSD cards in a CF slot.

Avoiding Card Read Errors

Nikon CF Memory Card Pins

The most common Compact Flash memory card error is caused by damaged pins in the camera's Compact Flash card slot. When this happens in the Nikon D300, a CHA error code will be displayed on the LCD screen.

Due to the LCD screen, the error can appear to be CHR.

Be gentle when inserting a CF card into the camera. Never force a Compact Flash card into the card slot.

If the CF memory card does not seem like it is sliding in easily, remove the card. Check the positioning of the card and then attempt to insert the card again.

If that doesn't work, try a different memory card.

Related Cameras

That's all you need to know about Compact Flash card technical specifications, which is why the SanDisk Extreme 32GB CF Card is the best Nikon D300 memory card.

Here are cameras with similar memory card requirements:

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