Seagate 1TB Storage Expansion Card for Xbox Series X|S Solid State Drive - NVMe Expansion SSD for Xbox Series X|S (STJR1000400)

Manufacturer: Seagate | Model: STJR1000400 | Product ID: 2934 | Warranty: 3 years
Capacity: 1 TB
£567.12 (inc. VAT)
65 in stock
100% Money Back Guarantee - Risk Free

Product Technical Specification

Features
Product colourBlack
Total storage capacity1000
Brand compatibilityMicrosoft
Weight & dimensions
Width31.6
Depth7.8
Height52.95
Weight30
Packaging data
Package width76.2
Package depth50.8
Package height139.7
Package weight73
Package typeBox
Packaging content
Quick start guideYes
Logistics data
Pallet gross width1162
Pallet gross length932
Pallet gross height1053.5
Pallet gross weight191120

Delivery Options

Economy Delivery
FREE
Economy Delivery

Economy Delivery (UK)

Estimated delivery date: Tue 25th Aug 2026 to Fri 28th Aug 2026
Business Express
£6.95
Business Express

Business Express

Estimated delivery date: Mon 24th Aug 2026 to Wed 26th Aug 2026
View all Delivery Options & International Rates

Fastest. Most Powerful.
Instantly expand the capacity of Xbox Series X or Xbox Series S.

A Powerful Partnership
We created the Seagate Storage Expansion card in close partnership with Xbox to ensure when you plug this storage card into either the Xbox Series X or Xbox Series S, you’re getting all the speed and performance Xbox dreamed up for this next generation of console gaming.

Room for Play
Plug into the most powerful Xbox console ever — the Seagate Storage Expansion Card for Xbox Series X|S.
- 1 TB of capacity expansion
- Seamless integration into the Xbox Velocity Architecture
- Virtually no lag in power or speed when gaming from the expansion card

Seamless Gameplay
Compatible with the Xbox Velocity Architecture — providing faster load times, richer environments, and more immersive gameplay

No Wasted Seconds
Quick Resume enables players to seamlessly switch between multiple titles and resumes instantly from where you last left off — always the same speed from the expansion card and the internal SSD.

Level Up Your Legacy
Syncing with the ultra-powerful Xbox Velocity Architecture’s groundbreaking hardware, CPU, and deep software integration, every game that plays from the Storage Expansion Card for Xbox Series X|S plays at the same peak levels as the console’s internal SSD. That includes thousands of Original Xbox, Xbox 360, and Xbox One games.

All Your Xbox Games, One Console
Grab a Seagate Game Drive external hard drive and store all your legacy and Xbox Series X|S games in one place. Plug-and-play compatible with Xbox Series X and Xbox Series S, it’s time to build the massive library of your dreams. The prefect compliment to your next-level gaming.

Features
Product colourBlack
Total storage capacity1000
Brand compatibilityMicrosoft
Weight & dimensions
Width31.6
Depth7.8
Height52.95
Weight30
Packaging data
Package width76.2
Package depth50.8
Package height139.7
Package weight73
Package typeBox
Packaging content
Quick start guideYes
Logistics data
Pallet gross width1162
Pallet gross length932
Pallet gross height1053.5
Pallet gross weight191120

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Buykingston order despatch times:

We will despatch your order the very same day if we receive cleared payment by 12:00 pm Mon-Fri.

These delivery estimates apply when you order up to 12:00 pm Mon-Fri (excluding public holidays).

We charge a one off delivery cost as outlined below regardless of how many items you order or the weight of your order.

Estimated delivery times are provided to us by the respective delivery companies. We pass this information onto you, the customer.

Despatch times do not apply to UK public holidays.

Estimated delivery times are taken from the next available working day available for delivery. For example if an order was despatched on a working Wednesday by 3pm, the first available working day for delivery would be Thursday provided you placed your order by 3pm on the Wednesday. If the next available weekday is a UK bank holiday/public holiday then your order will be despatched on the next available working day.

Our warehouse reserves the right to upgrade the delivery method you select on your order.

Our available delivery options*

Contact us for a shipping quote.

*All delivery times are estimated unless stated.

Product Returns Note

Buykingston offers a simple, hassle-free returns policy. If for whatever reason you are not happy with the item purchased, you can return it to us within 14 days of receipt for a refund. This applies to items purchased direct through Buykingston only.

Our 14 Day Returns Money Back Guarantee:
For items returned in resaleable condition, with all original packaging. If an item has been opened for inspection but shows signs of use beyond that, a deduction may apply to reflect the reduced value — see our full Terms & Conditions (Section 12) for details.

Some items are excluded from our money-back guarantee unless they have developed a fault. These include:

- Headphones
- Earphones
- Custom made and designed products, such as flash memory products with custom logos on them, e.g. USB flash drives and memory cards with your own logo

Returns FAQs

What is your returns criteria?
14 days from date of receipt, or expected date of receipt on non-tracked items.

How do I go about returning my order?
Please contact us via our contact page with your order number. We will provide you with an RMA number and return instructions, including your return deadline and whether a freepost label applies to your order.

Do I need to contact you before returning my order?
Yes, to obtain an RMA number before sending anything back.

Does my item have to include its original packaging?
Yes, to qualify for our 14 day money-back guarantee. For faulty items, we understand you may no longer have the original packaging.

Who pays for return postage?
If your item is faulty, damaged, or not as described, we cover reasonable return postage, or provide a freepost label where available. If you are returning an item for another reason (including simply changing your mind), you are responsible for return postage unless we have expressly confirmed a freepost label in your RMA email — we recommend using a tracked and insured service for items of significant value.

Who deals with the warranty on a faulty item?
We will. In some circumstances we may ask you to contact the manufacturer directly for assistance.

Please ensure you have read and comply in full with Sections 11–13 of our Terms & Conditions.