Refund Refresh 4-Day SaleEnds Monday. Limited quantities. No rainchecks.Shop now

Skip to contentGo to Product Search
Main Content

Customer Ratings & Reviews

No content
  • Front. HP - 21 Standard Capacity Ink Cartridge - Black.

HP - 21 Standard Capacity Ink Cartridge - Black

Model:
C9351AN#140
SKU:
11124289
$31.99
Save $19.02
Comp. Value: $51.01

Customer reviews

Rating 4.6 out of 5 stars with 702 reviews

Rating Filter

Rating by feature

  • Value

    Rating 4.4 out of 5 stars

  • Quality

    Rating 4.7 out of 5 stars

  • Ease of Use

    Rating 4.8 out of 5 stars

96%
would recommend
to a friend
The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.
Page 27 Showing 521-540 of 702 reviews

  • HP ink

    |
    |
    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I never had a problem with this ink. HP is great for me.

    This review is from HP - 21 Standard Capacity Ink Cartridge - Black

    I would recommend this to a friend

  • HP Ink

    |
    |
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I can always depend on HP ink in my HP printer. So much better than the Epson I have to deal with at my work!

    This review is from HP - 21 Standard Capacity Ink Cartridge - Black

    I would recommend this to a friend

  • HP Printer Cartridge 21

    |
    |
    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    A Great product delivered with ease, convenience and on time!

    This review is from HP - 21 Standard Capacity Ink Cartridge - Black

    I would recommend this to a friend

  • Great product

    |
    |
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I have been purchasing HP products for several years. I am always a happy consumer. They make a very good product

    This review is from HP - 21 Standard Capacity Ink Cartridge - Black

    I would recommend this to a friend

  • Excellent!!

    |
    |
    Posted . Owned for less than 1 week when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Glad that this is still available for my old printer.

    This review is from HP - 21 Standard Capacity Ink Cartridge - Black

    I would recommend this to a friend

  • Ink

    |
    |
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    A must have for printers, consumables are a constant. Unfortunately not carried in store.

    This review is from HP - 21 Standard Capacity Ink Cartridge - Black

    I would recommend this to a friend

  • Printer Ink

    |
    |
    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Works just as good as my old one. Ink dries quick and does not run

    This review is from HP - 21 Standard Capacity Ink Cartridge - Black

    I would recommend this to a friend

  • m inky

    |
    |
    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    so happy that Best Buy carries all my ink supplies.

    This review is from HP - 21 Standard Capacity Ink Cartridge - Black

    I would recommend this to a friend

  • Good one

    |
    |
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I bought this product for my son and was able to use my coupon too. What a bargain.

    This review is from HP - 21 Standard Capacity Ink Cartridge - Black

    I would recommend this to a friend

  • Printer ink

    |
    |
    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Very happy with turn around time on the on line ordering store

    This review is from HP - 21 Standard Capacity Ink Cartridge - Black

    I would recommend this to a friend

  • HP Ink.

    |
    |
    Posted . Owned for 1 week when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Fast shipping. A+++++. The HP ink is a very reasonable price.

    This review is from HP - 21 Standard Capacity Ink Cartridge - Black

    I would recommend this to a friend

  • good quality for printing at home

    |
    |
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    good color contrast against white paper. perfect for printing at home for professional as well as working documents.

    This review is from HP - 21 Standard Capacity Ink Cartridge - Black

    I would recommend this to a friend

  • The Right Cartridge for my HP Officejet 3680

    |
    |
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    This one the right cartridge for my inkjet printer and I've never had any issues. I've purchased many from Best Buy. Just wish the ink lasted longer!

    This review is from HP - 21 Standard Capacity Ink Cartridge - Black

    I would recommend this to a friend

  • Great price for a quality product.

    |
    |
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I bought the HP-black ink cartridge at Best Buy because it was a quality product at a great price.

    This review is from HP - 21 Standard Capacity Ink Cartridge - Black

    I would recommend this to a friend

  • Printer ink

    |
    |
    Posted . Owned for 3 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Item was delivered in a few days in good condotion

    This review is from HP - 21 Standard Capacity Ink Cartridge - Black

    I would recommend this to a friend

  • cheap ink

    |
    |
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I love that my printer uses this ink because it is so cheap compared to ther printers and ink of course.

    This review is from HP - 21 Standard Capacity Ink Cartridge - Black

    I would recommend this to a friend

  • Worked great

    |
    |
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Great deal. I needed this ink for a work printer and was great finding it locally and genuine HP bran

    This review is from HP - 21 Standard Capacity Ink Cartridge - Black

    I would recommend this to a friend

  • good quality ink

    |
    |
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I always purchase all computer needs at Best Buy. I am always satisfied with their quality and prices. Their customer service is excellent as well.

    This review is from HP - 21 Standard Capacity Ink Cartridge - Black

    I would recommend this to a friend

  • Great ink product

    |
    |
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    So happy with my purchase and would recommend this item to everyone who uses HP 21 for their printer.

    This review is from HP - 21 Standard Capacity Ink Cartridge - Black

    I would recommend this to a friend

  • Good Cartridge, Just Not Enough Ink

    |
    |
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    There is nothing wrong with this product except it does not have a lot of ink for heavy usage. Besides that, the product is great.

    This review is from HP - 21 Standard Capacity Ink Cartridge - Black

    I would recommend this to a friend
Page 27, Showing 521-540 of 702 reviews
Sign in or Create Account

Get the latest deals and more.

Best Buy appLearn more
Share on YouTubeShare on InstagramShare on TikTokShare on FacebookShare on PinterestShare on X
Best Buy Canada
AccessibilityTerms & ConditionsPrivacyInterest-Based AdsState Privacy RightsHealth Data PrivacyDo Not Sell/Share My Personal InformationLimit Use of My Sensitive Personal InformationTargeted Advertising Opt OutCA Supply Chain Transparency Act
In-store pricing may vary. Prices and offers are subject to change. © 2026 Best Buy. All rights reserved. BEST BUY, the BEST BUY logo, the tag design, and MY BEST BUY are trademarks of Best Buy and its affiliated companies.