Name: HP 70 130-ml Light Gray DesignJet Ink Cartridge, C9451A
Brand: HP
SKU: C9451A
Rating: 4.3 (8 reviews)

We are working to meet the current extraordinary customer demand for our products. Our website reflects current product availability but circumstances are dynamic. You may check your order status via our Track My Order page (Click Here to log in). We will send updates by email as soon as they are available. We greatly value your business and appreciate your ongoing patience as we work to get your order to you.

Prices, specifications, availability and terms of offers may change without notice. Price protection, price matching or price guarantees do not apply to Intra-day, Daily Deals or limited-time promotions. Quantity limits may apply to orders, including orders for discounted and promotional items. Despite our best efforts, a small number of items may contain pricing, typography, or photography errors. Correct prices and promotions are validated at the time your order is placed. These terms apply only to products sold by HP.com; reseller offers may vary. Items sold by HP.com are not for immediate resale. Orders that do not comply with HP.com terms, conditions, and limitations may be cancelled. Contract and volume customers not eligible.

✻HP’s strikethrough price is HP’s MSRP, which is HP’s suggested retail price for authorized channel partners, based on a number of factors, including but not limited to manufacturing and component parts. The MSRP may not be the prevailing market price or regular retail price.

The following applies to HP systems with Intel 6th Gen and other future-generation processors on systems shipping with Windows 7, Windows 8, Windows 8.1 or Windows 10 Pro systems downgraded to Windows 7 Professional, Windows 8 Pro, or Windows 8.1: This version of Windows running with the processor or chipsets used in this system has limited support from Microsoft. For more information about Microsoft’s support, please see Microsoft’s Support Lifecycle FAQ at https://support.microsoft.com/lifecycle

Ultrabook, Celeron, Celeron Inside, Core Inside, Intel, Intel Logo, Intel Atom, Intel Atom Inside, Intel Core, Intel Inside, Intel Inside Logo, Intel vPro, Intel Evo, Itanium, Itanium Inside, Pentium, Pentium Inside, vPro Inside, Xeon, Xeon Phi, Xeon Inside, Intel Agilex, Arria, Cyclone, Movidius, eASIC, Enpirion, Iris, MAX, Intel RealSense, Stratix, and Intel Optane are trademarks of Intel Corporation or its subsidiaries.

In-home warranty is available only on select customizable HP desktop PCs. Need for in-home service is determined by HP support representative. Customer may be required to run system self-test programs or correct reported faults by following advice given over phone. On-site services provided only if issue can't be corrected remotely. Service not available holidays and weekends.

HP will transfer your name and address information, IP address, products ordered and associated costs and other personal information related to processing your application to Bill Me Later®. Bill Me Later will use that data under its privacy policy.

Not all features are available in all editions or versions of Windows. Systems may require upgraded and/or separately purchased hardware, drivers, software or BIOS update to take full advantage of Windows functionality. Windows is automatically updated and enabled. High speed internet and Microsoft account required. ISP fees may apply and additional requirements may apply over time for updates. See http://www.windows.com.

HP Rewards qualifying and eligible products/purchases are defined as those from the following categories: Printers, Business PCs (Elite, Pro and Workstation brands), select Business Accessories and select Ink, Toner & Paper.My HP Rewards

“Best All In One Printer” and “the easiest printer you’ve ever had to set up” from Wirecutter. ©2020 The Wirecutter, Inc.. All rights reserved. Used under license. https://www.nytimes.com/wirecutter/reviews/best-all-in-one-printer/

$10 credit Offer valid only on Instant Ink eligible printers. Requires creation of HP Smart and Instant Ink accounts and acceptance of terms of service at instantink.hpconnected.com/terms. One offer redeemable per printer. Offer valid through 12.31.2024. Unless service is cancelled within the promotional period online at hpinstantink.com, a monthly service fee, based on the plan chosen, plus overage fees will be charged to your credit/debit card. Customer will be charged for any overage fees at the end of each month in the promotional period. Offer cannot be redeemed for cash. Setup Offer may be combined with other offers; see terms and conditions of the other offer for more details. Requires a valid credit/debit card, an email address, and Internet connection to printer. See additional offer information available during online sign-up process. For service details, see hpinstantink.com.

*Cartridges ship in packaging that is 100% recyclable. Shipping envelope can be recycled in your local paper/carton recycling bin. Consult your local guidelines.

⁺Deferred Interest, Payment Required Plan: Interest will be charged to your Account from the purchase date if the promotional plan balance is not paid in full within the promotional period. Minimum payments are required for each Credit Plan. Minimum payments are NOT guaranteed to pay the promotional plan balance within the promotional period. You may have to pay more than the minimum payment to avoid accrued interest charges. Valid for single transaction only. Gift cards do not qualify for promotional plans. Qualifying purchases will automatically be placed on a promotional plan. If purchase qualifies for more than one plan, it will be placed on the qualified plan with the longest promotional period. As of September 2025, terms for new Accounts: Purchase APR of 35.99%. Variable Penalty APR up to 39.99%, based on Prime Rate. Minimum interest charge is $3 in any billing period in which interest is due. A fee of $2.99 per month may apply for each paper billing statement mailed to you. You can avoid this fee by enrolling in paperless statements. Existing Account holders: see your credit card agreement for Account terms.

Credit account offers are subject to credit approval.

HP Credit Accounts are issued by Comenity Capital Bank, a Bread Financial™ Company.

Save $30 on select printers when you buy any PC: $30 instant savings is available to end-user customers who purchase both a new HP qualifying printer (1W2Y9A#B1H, 1W2Y8A#B1H, B63JSA#B1H, B63K3A#B1H, 53N95A#B1H, CZ993A#B1H, CZ992A#B1H, 537P6A#B1H, 40Q35A#B1H, 40Q51A#B1H, 403X0A#B1H, 404M0A#B1H, 1F3Y0A#B1H, 5D1B2A#B1H, 7XV38A#B1H, 2H0B9A#B1H, 28B49A#B1H, 28B70A#B1H, 28B98A#B1H, 6GW99F#BGJ, 6GX01F#BGJ, 3G650F#BGJ, 3G628F#BGJ, 9D2X4F#BGJ, 499Q9F#BGJ, 499Q5F#BGJ, 499Q3F#BGJ, 2Z599F#BGJ, 2Z600F#BGJ, 2Z601F#BGJ, 2Z618F#BGJ, 2Z619F#BGJ, 4RA85F#BGJ, 4RA86F#BGJ, 4RA81F#BGJ, 4RA82F#BGJ) and any new HP notebook or desktop PC in the same transaction. This offer is combinable with standalone instant rebate savings. This offer does not apply to HP demo or refurbished products. This promotion is NOT combinable with any of HP’s Trade-In promotions. Purchases by HP resellers and internal HP orders are ineligible. HP may modify or withdraw this promotion at any time. Offer valid through December 27, 2025.

*Customers receive three bonus months on Microsoft 365 Personal and Family subscriptions when a credit card is provided during activation. After the initial subscription period, your subscription automatically renews for 1 year, unless it is cancelled.

The personal information you provide will be used according to the HP Privacy Statement

Get 1 additional month of Instant Ink free with code HOLIDAY25: One additional free month of HP Instant Ink. Use promo code HOLIDAY25 upon enrolling to HP Instant Ink by 01/31/2026 to get one additional month free of HP Instant Ink. HP Instant Ink sign-up must be completed for the applicable enrollment type (e.g., within 7 days of setting up an Instant Ink-enabled printer) as per the instructions that came with the printer. Offer valid only on HP Instant Ink eligible printers. Limited to one promo code per printer. Offer cannot be redeemed for cash. Requires online enrollment, valid credit/debit card, email address, and Internet connection to printer. Unless the service is cancelled by you within the offer period online at hpinstantink.com, a monthly service fee, based on the plan chosen, plus tax and any applicable additional fee will be charged to your credit/debit card at the end of the offer period

Your Cart is Empty

Find your ink or toner cartridges

HP 70 130-ml Light Gray DesignJet Ink Cartridge, C9451A

ADD TO COMPARE

HP 70 130-ml Gloss Enhancer DesignJet Ink Cartridge, C9459A

ADD TO COMPARE

HP 70 130-ml Yellow DesignJet Ink Cartridge, C9454A

ADD TO COMPARE

HP 70 130-ml Light Magenta DesignJet Ink Cartridge, C9455A

ADD TO COMPARE

HP 70 130-ml Gray DesignJet Ink Cartridge, C9450A

ADD TO COMPARE

HP 70 130-ml Cyan DesignJet Ink Cartridge, C9452A

ADD TO COMPARE

HP 70 130-ml Photo Black DesignJet Ink Cartridge, C9449A

ADD TO COMPARE

HP 70 130-ml Matte Black DesignJet Ink Cartridge, C9448A

ADD TO COMPARE

HP 70 Matte Black and Cyan DesignJet Printhead, C9404A

ADD TO COMPARE

HP 70 130-ml Blue DesignJet Ink Cartridge, C9458A

ADD TO COMPARE

HP 70 130-ml Green DesignJet Ink Cartridge, C9457A

ADD TO COMPARE

HP 70 Blue and Green DesignJet Printhead, C9408A

ADD TO COMPARE

HP 70 130-ml Light Cyan DesignJet Ink Cartridge, C9390A

ADD TO COMPARE

HP 70 130-ml Magenta DesignJet Ink Cartridge, C9453A

ADD TO COMPARE

HP 70 Light Magenta and Light Cyan DesignJet Printhead, C9405A

ADD TO COMPARE

HP 70 Photo Black and Light Gray DesignJet Printhead, C9407A

ADD TO COMPARE

HP 70 Gloss Enhancer and Gray DesignJet Printhead, C9410A

ADD TO COMPARE

HP 70 Magenta and Yellow DesignJet Printhead, C9406A

ADD TO COMPARE

Browse helpful links by categories

Keeping Your HP PSC 2175 Printing Strong

Why Choose HP 70 Ink Cartridges?

What Makes HP 70 Ink Cartridges Special?

Benefits of Using HP 70 Ink Cartridges

Choosing the Right HP 70 Ink Cartridges

User Experiences and Feedback

Conclusion

Select Your Country/Region and Language