honestly, grab the Angelbird 512GB AV PRO CFexpress Type B SE for value and some BM Premium LP-E6NH High Capacity Batteries—theyre realy decent and way cheaper than the $80 OEM ones!!

yo, congrats on the R5!! honestly i'm so jealous, i remember when i finally saved up for mine and i was literally so stoked to go shoot some birds at the park but then i realized i had like zero money left for the extra stuff haha. it really is a beast but man it drains power fast. for storage, CFexpress is highkey a scam with those prices... but i found the Sabrent 512GB Rocket CFX CFexpress Type B Memory Card is actually a fantastic deal. it's usually around $160 which is crazy good for that much space. i use it for 4k stuff and it hasn't let me down yet! also, definitely look at the Lexar Professional CFexpress Type B Card SILVER Series 512GB if you see it on sale, it's realy fast for the money. since you're doing wildlife, you're probably gonna be shooting vertical a lot, right? i couldn't justify the $350 for the official canon grip so i grabbed the Neewer BG-R10 Replacement Battery Grip. it's like $85 and basically does the same thing. plus it lets you hold two batteries so you don't have to stop right when the lighting gets good!! oh! and one thing i almost forgot... get a screen protector. i almost scratched mine on a tripod leg and almost cried lol. the ULBTER Tempered Glass Screen Protector for Canon EOS R5 is like $10 for a 3-pack and it's so worth it for peace of mind. anyway, hope you love the camera, it's realy life-changing for wildlife! gl!!

Saw this thread earlier and wanted to weigh in from a more data-driven reliability perspective!!! Tbh, while saving a few bucks on storage is tempting, the R5's high-bitrate video and 45MP bursts can easily choke cards that dont have high 'sustained' write speeds. Before I give a final recommendation, are you intending to shoot 8K RAW or just the 4K-HQ modes? The buffer clearing speed is gonna vary wildly depending on that answer. If youre looking for absolute stability over just the lowest price, heres how the current market stacks up: - ProGrade Digital CFexpress Type B Gold (1700MB/s) — These are basically the gold standard for consistent thermal management and have been super stable in my testing.
- Delkin Devices Black CFexpress Type B — These are ruggedized and come with a 48-hour replacement guarantee, which is basically peace of mind for wildlife pros in the field.
- SmallRig Black Mamba Cage for Canon EOS R5 — If youre doing video, youll eventually want a cage for better heat dissipation and mounting points for a monitor or external power. Market-wise, the OEM Canon LP-E6NH Lithium-Ion Battery is still the only way to guarantee you get that full 20fps high-speed continuous shooting mode when the charge drops below 60%, so keep that in mind when looking at third-party options!!!

Totally agree that the R5 is a beast that needs the right fuel. Tbh, while saving money is great, I’ve always leaned toward a reliability-first approach because a corrupted card or a sudden power failure during a rare wildlife encounter is basically a nightmare scenario. Before diving deeper into gear suggestions tho, I have a couple of questions to see what fits your workflow: * Are you primarily shooting in high-speed burst mode (20fps) for those wildlife shots?
* Do you plan on doing long-form 4K recording where heat management becomes a factor? The reason I ask is that sustained write speeds and consistent voltage delivery are way more important for this body than just the 'peak' specs you see on the box. Some storage options handle short bursts fine but can’t maintain the throughput for high-bitrate video without overheating or dropping frames. Same goes for power—the R5 is pretty sensitive to voltage drops as the charge level dips, which can actually throttle your max frame rate. It’s worth prioritizing components that meet VPG-400 standards for peace of mind.

Yep, this is the way