Avem peste 6.000.000 de produse de la magazine si vanzatori profesionisti in Okazii.ro Marketplace
Cos cumparaturi
Favorite
Ai nevoie de ajutor ?
Catalog produse
Toate
 
 

Ddr3 desktop

(1076 oferte)
Seteaza alerta
Sorteaza Ddr3 Desktop dupa:
Vizualizeaza ca: Afisare Lista Afisare galerie
-63%
Cumpara ieftin 8GB DDR3-1600 PC3-12800 1600MHz , Memorie PC Desktop DDR3 Testata cu Memtest86+
Promo

8GB DDR3-1600 PC3-12800 1600MHz , Memorie PC Desktop DDR3 Testata cu Memtest86+

Tip:ddr 3 Capacitate:8 gb Frecventa:1600 mhz

80,00 Lei 30,00 Lei
* (210)
14 vandute
Urmarit de 157 utilizatori
6 vizualizari in ultimele 24h
-75%
Cumpara ieftin 4GB DDR3-1600 PC3-12800 1600MHz , Memorie PC Desktop DDR3 Testata cu Memtest86+
Promo

4GB DDR3-1600 PC3-12800 1600MHz , Memorie PC Desktop DDR3 Testata cu Memtest86+

Tip:ddr 3 Capacitate:4 gb Frecventa:1600 mhz

60,00 Lei 15,00 Lei
* (201)
6 vandute
Urmarit de 129 utilizatori
-36%
Cumpara ieftin Calculator Dell OptiPlex 7020, Desktop SFF, Intel Core i5 4590S 3.0 GHz up to 3.7 GHz; 16 GB DDR3; 256 GB SSD SATA; Windows 10 Home; 12 Luni Garantie,

Calculator Dell OptiPlex 7020, Desktop SFF, Intel Core i5 4590S 3.0 GHz up to 3.7 GHz; 16 GB DDR3; 256 GB SSD SATA; Windows 10 Home; 12 Luni Garantie,

1.043,49 Lei 666,70 Lei
Livrare gratuita la 5 produse comandate
-36%
Cumpara ieftin Calculator Dell OptiPlex 3020, Desktop SFF, Intel Core i7 4770 3.4 GHz up to 3.9 GHz; 16 GB DDR3; Fara Hard Disk; Windows 10 Home; 1 An Garantie, Seco

Calculator Dell OptiPlex 3020, Desktop SFF, Intel Core i7 4770 3.4 GHz up to 3.9 GHz; 16 GB DDR3; Fara Hard Disk; Windows 10 Home; 1 An Garantie, Seco

1.095,93 Lei 699,47 Lei
Livrare gratuita la 5 produse comandate
-36%
Cumpara ieftin Calculator Dell OptiPlex 7020, Desktop SFF, Intel Core i5 4590S 3.0 GHz up to 3.7 GHz; 8 GB DDR3; 1 TB SSD SATA NOU; Windows 10 Pro; 1 An Garantie, Se

Calculator Dell OptiPlex 7020, Desktop SFF, Intel Core i5 4590S 3.0 GHz up to 3.7 GHz; 8 GB DDR3; 1 TB SSD SATA NOU; Windows 10 Pro; 1 An Garantie, Se

1.153,75 Lei 736,76 Lei
Livrare gratuita la 5 produse comandate
-36%
Cumpara ieftin Calculator Dell OptiPlex 7020, Desktop SFF, Intel Core i5 4590S 3.0 GHz up to 3.7 GHz; 8 GB DDR3; 500 GB SSD SATA NOU; Windows 10 Pro; 12 Luni Garanti

Calculator Dell OptiPlex 7020, Desktop SFF, Intel Core i5 4590S 3.0 GHz up to 3.7 GHz; 8 GB DDR3; 500 GB SSD SATA NOU; Windows 10 Pro; 12 Luni Garanti

1.101,31 Lei 702,86 Lei
Livrare gratuita la 5 produse comandate

Cautari similare

-36%
Cumpara ieftin Calculator Dell OptiPlex 3020, Desktop SFF, Intel Core i7 4770 3.4 GHz up to 3.9 GHz; 16 GB DDR3; 1 TB SSD SATA NOU; Windows 10 Pro; 12 Luni Garantie,

Calculator Dell OptiPlex 3020, Desktop SFF, Intel Core i7 4770 3.4 GHz up to 3.9 GHz; 16 GB DDR3; 1 TB SSD SATA NOU; Windows 10 Pro; 12 Luni Garantie,

1.846,27 Lei 1.178,59 Lei
Livrare gratuita la 5 produse comandate
-36%
Cumpara ieftin Calculator Dell OptiPlex 3020, Desktop SFF, Intel Core i7 4770 3.4 GHz up to 3.9 GHz; 16 GB DDR3; 250 GB SSD SATA NOU; Fara Windows; 12 Luni Garantie,

Calculator Dell OptiPlex 3020, Desktop SFF, Intel Core i7 4770 3.4 GHz up to 3.9 GHz; 16 GB DDR3; 250 GB SSD SATA NOU; Fara Windows; 12 Luni Garantie,

1.428,07 Lei 911,91 Lei
Livrare gratuita la 5 produse comandate
-36%
Cumpara ieftin Calculator Dell OptiPlex 7020, Desktop SFF, Intel Core i5 4590S 3.0 GHz up to 3.7 GHz; 16 GB DDR3; 250 GB SSD SATA NOU; Windows 10 Home; 12 Luni Garan

Calculator Dell OptiPlex 7020, Desktop SFF, Intel Core i5 4590S 3.0 GHz up to 3.7 GHz; 16 GB DDR3; 250 GB SSD SATA NOU; Windows 10 Home; 12 Luni Garan

1.161,82 Lei 742,41 Lei
Livrare gratuita la 5 produse comandate
-36%
Cumpara ieftin Calculator Dell OptiPlex 3020, Desktop SFF, Intel Core i5 4590S 3.0 GHz up to 3.7 GHz; 16 GB DDR3; Fara Hard Disk; Windows 10 Home; 1 An Garantie, Sec

Calculator Dell OptiPlex 3020, Desktop SFF, Intel Core i5 4590S 3.0 GHz up to 3.7 GHz; 16 GB DDR3; Fara Hard Disk; Windows 10 Home; 1 An Garantie, Sec

763,79 Lei 488,16 Lei
Livrare gratuita la 5 produse comandate
-36%
Cumpara ieftin Calculator Dell OptiPlex 3020, Desktop SFF, Intel Core i5 4590S 3.0 GHz up to 3.7 GHz; 16 GB DDR3; 1 TB SSD SATA; Windows 10 Home; 1 An Garantie, Seco

Calculator Dell OptiPlex 3020, Desktop SFF, Intel Core i5 4590S 3.0 GHz up to 3.7 GHz; 16 GB DDR3; 1 TB SSD SATA; Windows 10 Home; 1 An Garantie, Seco

1.160,48 Lei 741,28 Lei
Livrare gratuita la 5 produse comandate
-36%
Cumpara ieftin Calculator Dell OptiPlex 3020, Desktop SFF, Intel Core i5 4590S 3.0 GHz up to 3.7 GHz; 8 GB DDR3; 256 GB SSD SATA; Windows 10 Home; 12 Luni Garantie,

Calculator Dell OptiPlex 3020, Desktop SFF, Intel Core i5 4590S 3.0 GHz up to 3.7 GHz; 8 GB DDR3; 256 GB SSD SATA; Windows 10 Home; 12 Luni Garantie,

816,23 Lei 520,93 Lei
Livrare gratuita la 5 produse comandate
-36%
Cumpara ieftin Calculator Dell OptiPlex 7020, Desktop SFF, Intel Core i7 4770 3.4 GHz up to 3.9 GHz; 8 GB DDR3; 250 GB SSD SATA NOU; Windows 10 Pro; 1 An Garantie, S

Calculator Dell OptiPlex 7020, Desktop SFF, Intel Core i7 4770 3.4 GHz up to 3.9 GHz; 8 GB DDR3; 250 GB SSD SATA NOU; Windows 10 Pro; 1 An Garantie, S

1.187,37 Lei 758,23 Lei
Livrare gratuita la 5 produse comandate
-36%
Cumpara ieftin Calculator Dell OptiPlex 7020, Desktop SFF, Intel Core i7 4770 3.4 GHz up to 3.9 GHz; 16 GB DDR3; 256 GB SSD SATA; Fara Windows; 1 An Garantie, Second

Calculator Dell OptiPlex 7020, Desktop SFF, Intel Core i7 4770 3.4 GHz up to 3.9 GHz; 16 GB DDR3; 256 GB SSD SATA; Fara Windows; 1 An Garantie, Second

1.163,17 Lei 742,41 Lei
Livrare gratuita la 5 produse comandate
-36%
Cumpara ieftin Calculator Dell OptiPlex 7020, Desktop SFF, Intel Core i5 4590S 3.0 GHz up to 3.7 GHz; 8 GB DDR3; 250 GB SSD SATA NOU; Windows 10 Pro; 12 Luni Garanti

Calculator Dell OptiPlex 7020, Desktop SFF, Intel Core i5 4590S 3.0 GHz up to 3.7 GHz; 8 GB DDR3; 250 GB SSD SATA NOU; Windows 10 Pro; 12 Luni Garanti

1.015,25 Lei 648,62 Lei
Livrare gratuita la 5 produse comandate
-36%
Cumpara ieftin Calculator Dell OptiPlex 7020, Desktop SFF, Intel Core i5 4590S 3.0 GHz up to 3.7 GHz; 8 GB DDR3; 250 GB SSD SATA NOU; Windows 10 Home; 1 An Garantie,

Calculator Dell OptiPlex 7020, Desktop SFF, Intel Core i5 4590S 3.0 GHz up to 3.7 GHz; 8 GB DDR3; 250 GB SSD SATA NOU; Windows 10 Home; 1 An Garantie,

787,99 Lei 502,85 Lei
Livrare gratuita la 5 produse comandate
-36%
Cumpara ieftin Calculator Dell OptiPlex 7020, Desktop SFF, Intel Core i7 4770 3.4 GHz up to 3.9 GHz; 8 GB DDR3; 250 GB SSD SATA NOU; Fara Windows; 12 Luni Garantie,

Calculator Dell OptiPlex 7020, Desktop SFF, Intel Core i7 4770 3.4 GHz up to 3.9 GHz; 8 GB DDR3; 250 GB SSD SATA NOU; Fara Windows; 12 Luni Garantie,

1.227,71 Lei 784,22 Lei
Livrare gratuita la 5 produse comandate
-36%
Cumpara ieftin Calculator Dell OptiPlex 7020, Desktop SFF, Intel Core i7 4770 3.4 GHz up to 3.9 GHz; 8 GB DDR3; Fara Hard Disk; Fara Windows; 12 Luni Garantie, Refur

Calculator Dell OptiPlex 7020, Desktop SFF, Intel Core i7 4770 3.4 GHz up to 3.9 GHz; 8 GB DDR3; Fara Hard Disk; Fara Windows; 12 Luni Garantie, Refur

1.003,15 Lei 640,71 Lei
Livrare gratuita la 5 produse comandate
-36%
Cumpara ieftin Calculator Dell OptiPlex 7020, Desktop SFF, Intel Core i5 4590S 3.0 GHz up to 3.7 GHz; 16 GB DDR3; 1 TB SSD SATA NOU; Windows 10 Home; 12 Luni Garanti

Calculator Dell OptiPlex 7020, Desktop SFF, Intel Core i5 4590S 3.0 GHz up to 3.7 GHz; 16 GB DDR3; 1 TB SSD SATA NOU; Windows 10 Home; 12 Luni Garanti

1.460,34 Lei 932,25 Lei
Livrare gratuita la 5 produse comandate
-36%
Cumpara ieftin Calculator Dell OptiPlex 7020, Desktop SFF, Intel Core i7 4770 3.4 GHz up to 3.9 GHz; 8 GB DDR3; 256 GB SSD SATA; Windows 10 Pro; 1 An Garantie, Secon

Calculator Dell OptiPlex 7020, Desktop SFF, Intel Core i7 4770 3.4 GHz up to 3.9 GHz; 8 GB DDR3; 256 GB SSD SATA; Windows 10 Pro; 1 An Garantie, Secon

1.069,04 Lei 682,52 Lei
Livrare gratuita la 5 produse comandate
-36%
Cumpara ieftin Calculator Dell OptiPlex 7020, Desktop SFF, Intel Core i7 4770 3.4 GHz up to 3.9 GHz; 8 GB DDR3; 1 TB SSD SATA NOU; Windows 10 Home; 1 An Garantie, Se

Calculator Dell OptiPlex 7020, Desktop SFF, Intel Core i7 4770 3.4 GHz up to 3.9 GHz; 8 GB DDR3; 1 TB SSD SATA NOU; Windows 10 Home; 1 An Garantie, Se

1.418,66 Lei 906,26 Lei
Livrare gratuita la 5 produse comandate
-36%
Cumpara ieftin Calculator Dell OptiPlex 3020, Desktop SFF, Intel Core i5 4590S 3.0 GHz up to 3.7 GHz; 16 GB DDR3; 1 TB SSD SATA; Windows 10 Pro; 1 An Garantie, Secon

Calculator Dell OptiPlex 3020, Desktop SFF, Intel Core i5 4590S 3.0 GHz up to 3.7 GHz; 16 GB DDR3; 1 TB SSD SATA; Windows 10 Pro; 1 An Garantie, Secon

1.227,71 Lei 784,22 Lei
Livrare gratuita la 5 produse comandate
-36%
Cumpara ieftin Calculator Dell OptiPlex 7020, Desktop SFF, Intel Core i7 4770 3.4 GHz up to 3.9 GHz; 16 GB DDR3; 1 TB SSD SATA NOU; Windows 10 Pro; 1 An Garantie, Se

Calculator Dell OptiPlex 7020, Desktop SFF, Intel Core i7 4770 3.4 GHz up to 3.9 GHz; 16 GB DDR3; 1 TB SSD SATA NOU; Windows 10 Pro; 1 An Garantie, Se

1.699,70 Lei 1.085,93 Lei
Livrare gratuita la 5 produse comandate
-36%
Cumpara ieftin Calculator Dell OptiPlex 7020, Desktop SFF, Intel Core i5 4590S 3.0 GHz up to 3.7 GHz; 16 GB DDR3; 256 GB SSD SATA; Windows 10 Pro; 12 Luni Garantie,

Calculator Dell OptiPlex 7020, Desktop SFF, Intel Core i5 4590S 3.0 GHz up to 3.7 GHz; 16 GB DDR3; 256 GB SSD SATA; Windows 10 Pro; 12 Luni Garantie,

1.110,72 Lei 709,64 Lei
Livrare gratuita la 5 produse comandate
-36%
Cumpara ieftin Calculator Dell OptiPlex 3020, Desktop SFF, Intel Core i5 4590S 3.0 GHz up to 3.7 GHz; 16 GB DDR3; 500 GB SSD SATA NOU; Windows 10 Home; 12 Luni Garan

Calculator Dell OptiPlex 3020, Desktop SFF, Intel Core i5 4590S 3.0 GHz up to 3.7 GHz; 16 GB DDR3; 500 GB SSD SATA NOU; Windows 10 Home; 12 Luni Garan

1.234,43 Lei 788,74 Lei
Livrare gratuita la 5 produse comandate
-36%
Cumpara ieftin Calculator Dell OptiPlex 7020, Desktop SFF, Intel Core i7 4770 3.4 GHz up to 3.9 GHz; 16 GB DDR3; 250 GB SSD SATA NOU; Fara Windows; 1 An Garantie, Se

Calculator Dell OptiPlex 7020, Desktop SFF, Intel Core i7 4770 3.4 GHz up to 3.9 GHz; 16 GB DDR3; 250 GB SSD SATA NOU; Fara Windows; 1 An Garantie, Se

1.281,50 Lei 818,12 Lei
Livrare gratuita la 5 produse comandate
-36%
Cumpara ieftin Calculator Dell OptiPlex 3020, Desktop SFF, Intel Core i7 4770 3.4 GHz up to 3.9 GHz; 16 GB DDR3; 1 TB SSD SATA; Fara Windows; 1 An Garantie, Second H

Calculator Dell OptiPlex 3020, Desktop SFF, Intel Core i7 4770 3.4 GHz up to 3.9 GHz; 16 GB DDR3; 1 TB SSD SATA; Fara Windows; 1 An Garantie, Second H

1.440,17 Lei 919,82 Lei
Livrare gratuita la 5 produse comandate
-36%
Cumpara ieftin Calculator Dell OptiPlex 7020, Desktop SFF, Intel Core i5 4590S 3.0 GHz up to 3.7 GHz; 16 GB DDR3; 256 GB SSD SATA; Fara Windows; 12 Luni Garantie, Re

Calculator Dell OptiPlex 7020, Desktop SFF, Intel Core i5 4590S 3.0 GHz up to 3.7 GHz; 16 GB DDR3; 256 GB SSD SATA; Fara Windows; 12 Luni Garantie, Re

991,04 Lei 632,80 Lei
Livrare gratuita la 5 produse comandate
-36%
Cumpara ieftin Calculator Dell OptiPlex 7020, Desktop SFF, Intel Core i5 4590S 3.0 GHz up to 3.7 GHz; 8 GB DDR3; 500 GB SSD SATA NOU; Fara Windows; 1 An Garantie, Se

Calculator Dell OptiPlex 7020, Desktop SFF, Intel Core i5 4590S 3.0 GHz up to 3.7 GHz; 8 GB DDR3; 500 GB SSD SATA NOU; Fara Windows; 1 An Garantie, Se

821,61 Lei 524,32 Lei
Livrare gratuita la 5 produse comandate
-36%
Cumpara ieftin Calculator Dell OptiPlex 7020, Desktop SFF, Intel Core i5 4590S 3.0 GHz up to 3.7 GHz; 8 GB DDR3; 500 GB SSD SATA NOU; Fara Windows; 12 Luni Garantie,

Calculator Dell OptiPlex 7020, Desktop SFF, Intel Core i5 4590S 3.0 GHz up to 3.7 GHz; 8 GB DDR3; 500 GB SSD SATA NOU; Fara Windows; 12 Luni Garantie,

981,63 Lei 627,15 Lei
Livrare gratuita la 5 produse comandate
-36%
Cumpara ieftin Calculator Dell OptiPlex 7020, Desktop SFF, Intel Core i7 4770 3.4 GHz up to 3.9 GHz; 16 GB DDR3; 500 GB SSD SATA NOU; Windows 10 Home; 1 An Garantie,

Calculator Dell OptiPlex 7020, Desktop SFF, Intel Core i7 4770 3.4 GHz up to 3.9 GHz; 16 GB DDR3; 500 GB SSD SATA NOU; Windows 10 Home; 1 An Garantie,

1.420,00 Lei 907,39 Lei
Livrare gratuita la 5 produse comandate
-36%
Cumpara ieftin Calculator Dell OptiPlex 7020, Desktop SFF, Intel Core i7 4770 3.4 GHz up to 3.9 GHz; 16 GB DDR3; 1 TB SSD SATA; Fara Windows; 1 An Garantie, Second H

Calculator Dell OptiPlex 7020, Desktop SFF, Intel Core i7 4770 3.4 GHz up to 3.9 GHz; 16 GB DDR3; 1 TB SSD SATA; Fara Windows; 1 An Garantie, Second H

1.453,62 Lei 928,86 Lei
Livrare gratuita la 5 produse comandate
-36%
Cumpara ieftin Calculator Dell OptiPlex 7020, Desktop SFF, Intel Core i5 4590S 3.0 GHz up to 3.7 GHz; 16 GB DDR3; 256 GB SSD SATA; Windows 10 Home; 1 An Garantie, Se

Calculator Dell OptiPlex 7020, Desktop SFF, Intel Core i5 4590S 3.0 GHz up to 3.7 GHz; 16 GB DDR3; 256 GB SSD SATA; Windows 10 Home; 1 An Garantie, Se

883,47 Lei 563,87 Lei
Livrare gratuita la 5 produse comandate
-36%
Cumpara ieftin Calculator Dell OptiPlex 7020, Desktop SFF, Intel Core i5 4590S 3.0 GHz up to 3.7 GHz; 8 GB DDR3; Fara Hard Disk; Fara Windows; 1 An Garantie, Second

Calculator Dell OptiPlex 7020, Desktop SFF, Intel Core i5 4590S 3.0 GHz up to 3.7 GHz; 8 GB DDR3; Fara Hard Disk; Fara Windows; 1 An Garantie, Second

510,99 Lei 326,57 Lei
Livrare gratuita la 5 produse comandate
-36%
Cumpara ieftin Calculator Dell OptiPlex 3020, Desktop SFF, Intel Core i7 4770 3.4 GHz up to 3.9 GHz; 16 GB DDR3; 250 GB SSD SATA NOU; Fara Windows; 1 An Garantie, Se

Calculator Dell OptiPlex 3020, Desktop SFF, Intel Core i7 4770 3.4 GHz up to 3.9 GHz; 16 GB DDR3; 250 GB SSD SATA NOU; Fara Windows; 1 An Garantie, Se

1.268,05 Lei 810,21 Lei
Livrare gratuita la 5 produse comandate
-36%
Cumpara ieftin Calculator Dell OptiPlex 7020, Desktop SFF, Intel Core i5 4590S 3.0 GHz up to 3.7 GHz; 16 GB DDR3; 1 TB SSD SATA; Windows 10 Home; 1 An Garantie, Seco

Calculator Dell OptiPlex 7020, Desktop SFF, Intel Core i5 4590S 3.0 GHz up to 3.7 GHz; 16 GB DDR3; 1 TB SSD SATA; Windows 10 Home; 1 An Garantie, Seco

1.173,92 Lei 749,19 Lei
Livrare gratuita la 5 produse comandate
-36%
Cumpara ieftin Calculator Dell OptiPlex 3020, Desktop SFF, Intel Core i5 4590S 3.0 GHz up to 3.7 GHz; 8 GB DDR3; Fara Hard Disk; Fara Windows; 12 Luni Garantie, Refu

Calculator Dell OptiPlex 3020, Desktop SFF, Intel Core i5 4590S 3.0 GHz up to 3.7 GHz; 8 GB DDR3; Fara Hard Disk; Fara Windows; 12 Luni Garantie, Refu

657,56 Lei 420,36 Lei
Livrare gratuita la 5 produse comandate
-36%
Cumpara ieftin Calculator Dell OptiPlex 3020, Desktop SFF, Intel Core i5 4590S 3.0 GHz up to 3.7 GHz; 8 GB DDR3; 250 GB SSD SATA NOU; Windows 10 Home; 1 An Garantie,

Calculator Dell OptiPlex 3020, Desktop SFF, Intel Core i5 4590S 3.0 GHz up to 3.7 GHz; 8 GB DDR3; 250 GB SSD SATA NOU; Windows 10 Home; 1 An Garantie,

774,55 Lei 494,94 Lei
Livrare gratuita la 5 produse comandate
Dell OptiPlex 3280 All-in-One, 21.5" FHD, i5-10500T, 8GB RAM, 256GB SSD, Intel UHD Graphics, Wi-Fi, Negru
Promo

Dell OptiPlex 3280 All-in-One

2.408,00 Lei
6 vizualizari in ultimele 24h
HP Z230 Tower Workstation, Intel Xeon E3-1220 V3, 16GB DDR3, 240GB SSD, 500GB HDD, Nvidia Quadro K620 2GB
Promo

HP Z230 Tower Workingstation

840,00 Lei
HP EliteDesk 800 G3, Intel Core i5-7500, 16GB DDR4, 256GB SSD + 2TB HDD, GTX 1080 8GB, Win 11 Pro
Promo

HP EliteDesk 800 G3

1.624,00 Lei
Intel NUC D54250WYKH, Core i5-4250U, 8GB RAM, 128GB SSD, Mini PC, Refurbished
Promo

Intel NUC D54250WYKH

560,00 Lei

Cautari similare


Istoricul tau de navigare

  • Cognitive Behavior Therapy, Third Edition: Basics and Beyond
  • Len Bass - Software architecture in practice
  • Teachers First: A Guide to Avoiding and Overcoming Burnout in the Classroom
  • What You Must Know about Age-Related Macular Degeneration: How You Can Prevent, Stop, or Reverse AMD
  • Authentically, Uniquely You Study Guide: Living Free from Comparison and the Need to Please
  • Flotor minciog Delphin FLOW, 20 x 7 cm, verde
  • Lucian Chisu - Introducere in mass-media
  • Server DELL Poweredge R630 2 x Xeon 14 CORE E5-2680 v4 2.4Ghz 32GB DDR4 10 x SFF posibilitate NVME U.2
  • Hard Disk Biwin M100 1 TB SSD
  • Victor Popescu - Constructii metalice
Continut

Magazine.Okazii.ro

  • Acces la mii de cumparatori
  • Fara limita de produse puse in vanzare
  • Platesti doar daca vinzi
Deschide-ti magazin - Okazii.ro