| Brand | HP |
| Manufacturer | HP |
| Recycled Product | Yes |
| Type | Inkjet Cartridges |
| Biodegradable | No |
| Country of Origin | Malaysia |
| Depth (mm) | 240 |
| Height (mm) | 240 |
| OEM | CN621AE |
| REACH Chemical Registration required (Y/N) | Yes |
| REACH Requires Health & Safety Data Sheet | Yes |
| Recyclable (Yes/No) | Yes |
| Recyclable Percentage | 74 |
| Width (mm) | 70 |
| Colour | Black |
| ISO 14001 (Y/N) | Yes |
| Cartridge Type | Original |
| Yield | Up to 3 000 pages |
| CMYK | K; |
| Green Product | Yes |
| Original / Compatible Product | Original |
| Page Yield | Up to 3 000 |
| Minimum Recycled Content (%) | 5 |
| Recyclable | Yes |
| Warranty | 12 Months |
| Ink Volume | 56.5ml |
| Capacity - Ink Volume (ml) | 56.5 |
| For Inkjet Printers | Yes |
| Compatible Or Original | Original |
| Accreditation | ISO 14001 |
| Pack Type | Single Black inkjet cartridge |
| On Promotion | No |
| Other Enviro Details | ISO/IEC 24711 |
| Compatible Printers | Officejet Pro X476dw/Officejet Pro X451dw/Officejet Pro X576dw/Officejet Pro X551dw |
| Printer Type | Inkjet |
| Exertis Code | HPCN621AE |
| Minimum Recyclable Content (%) | 100 |
| Original/Compatible Product | Original |